Home / 9,925.76-14,889.36-4,082.40

Finding the Fourth Proportional to 9,925.76, 14,889.36 and 4,082.40

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Solution

The fourth proportional to 9,925.76, 14,889.36 and 4,082.40 is: 6,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,925.76 : 14,889.36 = 4,082.40 : x
  2. Step 2: Convert to fraction form
    9,925.76/14,889.36 = 4,082.40/x
  3. Step 3: Cross multiply
    9,925.76x = 14,889.36 × 4,082.40
  4. Step 4: Simplify right side
    9,925.76x = 60,784,323.26
  5. Step 5: Solve for x
    x = 60,784,323.26/9,925.76
  6. Step 6: Final answer
    x = 6,123.90

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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.