Home / 15,677.15-23,521.12-13,354.74

Finding the Fourth Proportional to 15,677.15, 23,521.12 and 13,354.74

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Solution

The fourth proportional to 15,677.15, 23,521.12 and 13,354.74 is: 20,036.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677.15 : 23,521.12 = 13,354.74 : x
  2. Step 2: Convert to fraction form
    15,677.15/23,521.12 = 13,354.74/x
  3. Step 3: Cross multiply
    15,677.15x = 23,521.12 × 13,354.74
  4. Step 4: Simplify right side
    15,677.15x = 314,118,408.72
  5. Step 5: Solve for x
    x = 314,118,408.72/15,677.15
  6. Step 6: Final answer
    x = 20,036.71

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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.