Home / 14,034.24-21,032.80-7,446.40

Finding the Fourth Proportional to 14,034.24, 21,032.80 and 7,446.40

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Solution

The fourth proportional to 14,034.24, 21,032.80 and 7,446.40 is: 11,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,034.24 : 21,032.80 = 7,446.40 : x
  2. Step 2: Convert to fraction form
    14,034.24/21,032.80 = 7,446.40/x
  3. Step 3: Cross multiply
    14,034.24x = 21,032.80 × 7,446.40
  4. Step 4: Simplify right side
    14,034.24x = 156,618,641.92
  5. Step 5: Solve for x
    x = 156,618,641.92/14,034.24
  6. Step 6: Final answer
    x = 11,159.75

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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.