Home / 14,269.28-21,407.85-5,953.20

Finding the Fourth Proportional to 14,269.28, 21,407.85 and 5,953.20

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Solution

The fourth proportional to 14,269.28, 21,407.85 and 5,953.20 is: 8,931.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.28 : 21,407.85 = 5,953.20 : x
  2. Step 2: Convert to fraction form
    14,269.28/21,407.85 = 5,953.20/x
  3. Step 3: Cross multiply
    14,269.28x = 21,407.85 × 5,953.20
  4. Step 4: Simplify right side
    14,269.28x = 127,445,212.62
  5. Step 5: Solve for x
    x = 127,445,212.62/14,269.28
  6. Step 6: Final answer
    x = 8,931.44

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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.