Home / 14,948.46-20,618.25-9,837.78

Finding the Fourth Proportional to 14,948.46, 20,618.25 and 9,837.78

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Solution

The fourth proportional to 14,948.46, 20,618.25 and 9,837.78 is: 13,569.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.46 : 20,618.25 = 9,837.78 : x
  2. Step 2: Convert to fraction form
    14,948.46/20,618.25 = 9,837.78/x
  3. Step 3: Cross multiply
    14,948.46x = 20,618.25 × 9,837.78
  4. Step 4: Simplify right side
    14,948.46x = 202,837,807.49
  5. Step 5: Solve for x
    x = 202,837,807.49/14,948.46
  6. Step 6: Final answer
    x = 13,569.14

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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.