Home / 14,019.28-19,349.94-8,995.40

Finding the Fourth Proportional to 14,019.28, 19,349.94 and 8,995.40

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Solution

The fourth proportional to 14,019.28, 19,349.94 and 8,995.40 is: 12,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.28 : 19,349.94 = 8,995.40 : x
  2. Step 2: Convert to fraction form
    14,019.28/19,349.94 = 8,995.40/x
  3. Step 3: Cross multiply
    14,019.28x = 19,349.94 × 8,995.40
  4. Step 4: Simplify right side
    14,019.28x = 174,060,518.07
  5. Step 5: Solve for x
    x = 174,060,518.07/14,019.28
  6. Step 6: Final answer
    x = 12,415.80

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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.