Home / 10,281.79-15,402.13-4,727.53

Finding the Fourth Proportional to 10,281.79, 15,402.13 and 4,727.53

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Solution

The fourth proportional to 10,281.79, 15,402.13 and 4,727.53 is: 7,081.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.79 : 15,402.13 = 4,727.53 : x
  2. Step 2: Convert to fraction form
    10,281.79/15,402.13 = 4,727.53/x
  3. Step 3: Cross multiply
    10,281.79x = 15,402.13 × 4,727.53
  4. Step 4: Simplify right side
    10,281.79x = 72,814,031.64
  5. Step 5: Solve for x
    x = 72,814,031.64/10,281.79
  6. Step 6: Final answer
    x = 7,081.84

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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.