Home / 14,877.40-20,531.03-8,162.91

Finding the Fourth Proportional to 14,877.40, 20,531.03 and 8,162.91

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Solution

The fourth proportional to 14,877.40, 20,531.03 and 8,162.91 is: 11,264.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,877.40 : 20,531.03 = 8,162.91 : x
  2. Step 2: Convert to fraction form
    14,877.40/20,531.03 = 8,162.91/x
  3. Step 3: Cross multiply
    14,877.40x = 20,531.03 × 8,162.91
  4. Step 4: Simplify right side
    14,877.40x = 167,592,950.10
  5. Step 5: Solve for x
    x = 167,592,950.10/14,877.40
  6. Step 6: Final answer
    x = 11,264.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.