Home / 14,007.60-19,331.40-8,041.20

Finding the Fourth Proportional to 14,007.60, 19,331.40 and 8,041.20

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Solution

The fourth proportional to 14,007.60, 19,331.40 and 8,041.20 is: 11,097.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.60 : 19,331.40 = 8,041.20 : x
  2. Step 2: Convert to fraction form
    14,007.60/19,331.40 = 8,041.20/x
  3. Step 3: Cross multiply
    14,007.60x = 19,331.40 × 8,041.20
  4. Step 4: Simplify right side
    14,007.60x = 155,447,653.68
  5. Step 5: Solve for x
    x = 155,447,653.68/14,007.60
  6. Step 6: Final answer
    x = 11,097.38

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.