Home / 25,918.47-38,870.51-11,124.10

Finding the Fourth Proportional to 25,918.47, 38,870.51 and 11,124.10

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Solution

The fourth proportional to 25,918.47, 38,870.51 and 11,124.10 is: 16,683.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,918.47 : 38,870.51 = 11,124.10 : x
  2. Step 2: Convert to fraction form
    25,918.47/38,870.51 = 11,124.10/x
  3. Step 3: Cross multiply
    25,918.47x = 38,870.51 × 11,124.10
  4. Step 4: Simplify right side
    25,918.47x = 432,399,440.29
  5. Step 5: Solve for x
    x = 432,399,440.29/25,918.47
  6. Step 6: Final answer
    x = 16,683.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.