Home / 10,291.76-15,416.96-4,737.40

Finding the Fourth Proportional to 10,291.76, 15,416.96 and 4,737.40

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Solution

The fourth proportional to 10,291.76, 15,416.96 and 4,737.40 is: 7,096.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.76 : 15,416.96 = 4,737.40 : x
  2. Step 2: Convert to fraction form
    10,291.76/15,416.96 = 4,737.40/x
  3. Step 3: Cross multiply
    10,291.76x = 15,416.96 × 4,737.40
  4. Step 4: Simplify right side
    10,291.76x = 73,036,306.30
  5. Step 5: Solve for x
    x = 73,036,306.30/10,291.76
  6. Step 6: Final answer
    x = 7,096.58

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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.