Home / 15,681.71-23,520.13-4,585.79

Finding the Fourth Proportional to 15,681.71, 23,520.13 and 4,585.79

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Solution

The fourth proportional to 15,681.71, 23,520.13 and 4,585.79 is: 6,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,681.71 : 23,520.13 = 4,585.79 : x
  2. Step 2: Convert to fraction form
    15,681.71/23,520.13 = 4,585.79/x
  3. Step 3: Cross multiply
    15,681.71x = 23,520.13 × 4,585.79
  4. Step 4: Simplify right side
    15,681.71x = 107,858,376.95
  5. Step 5: Solve for x
    x = 107,858,376.95/15,681.71
  6. Step 6: Final answer
    x = 6,877.97

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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.