Home / 10,140.11-15,210.10-4,136.16

Finding the Fourth Proportional to 10,140.11, 15,210.10 and 4,136.16

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Solution

The fourth proportional to 10,140.11, 15,210.10 and 4,136.16 is: 6,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.11 : 15,210.10 = 4,136.16 : x
  2. Step 2: Convert to fraction form
    10,140.11/15,210.10 = 4,136.16/x
  3. Step 3: Cross multiply
    10,140.11x = 15,210.10 × 4,136.16
  4. Step 4: Simplify right side
    10,140.11x = 62,911,348.51
  5. Step 5: Solve for x
    x = 62,911,348.51/10,140.11
  6. Step 6: Final answer
    x = 6,204.21

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