Home / 14,155.14-19,528.65-9,118.98

Finding the Fourth Proportional to 14,155.14, 19,528.65 and 9,118.98

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Solution

The fourth proportional to 14,155.14, 19,528.65 and 9,118.98 is: 12,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.14 : 19,528.65 = 9,118.98 : x
  2. Step 2: Convert to fraction form
    14,155.14/19,528.65 = 9,118.98/x
  3. Step 3: Cross multiply
    14,155.14x = 19,528.65 × 9,118.98
  4. Step 4: Simplify right side
    14,155.14x = 178,081,368.78
  5. Step 5: Solve for x
    x = 178,081,368.78/14,155.14
  6. Step 6: Final answer
    x = 12,580.69

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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.