Home / 10,457.18-15,688.11-3,531.50

Finding the Fourth Proportional to 10,457.18, 15,688.11 and 3,531.50

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Solution

The fourth proportional to 10,457.18, 15,688.11 and 3,531.50 is: 5,298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.18 : 15,688.11 = 3,531.50 : x
  2. Step 2: Convert to fraction form
    10,457.18/15,688.11 = 3,531.50/x
  3. Step 3: Cross multiply
    10,457.18x = 15,688.11 × 3,531.50
  4. Step 4: Simplify right side
    10,457.18x = 55,402,560.47
  5. Step 5: Solve for x
    x = 55,402,560.47/10,457.18
  6. Step 6: Final answer
    x = 5,298.04

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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.