Home / 15,421.66-23,127.71-5,559.66

Finding the Fourth Proportional to 15,421.66, 23,127.71 and 5,559.66

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Solution

The fourth proportional to 15,421.66, 23,127.71 and 5,559.66 is: 8,337.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.66 : 23,127.71 = 5,559.66 : x
  2. Step 2: Convert to fraction form
    15,421.66/23,127.71 = 5,559.66/x
  3. Step 3: Cross multiply
    15,421.66x = 23,127.71 × 5,559.66
  4. Step 4: Simplify right side
    15,421.66x = 128,582,176.38
  5. Step 5: Solve for x
    x = 128,582,176.38/15,421.66
  6. Step 6: Final answer
    x = 8,337.77

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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.