Home / 14,878.04-20,531.70-8,590.41

Finding the Fourth Proportional to 14,878.04, 20,531.70 and 8,590.41

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Solution

The fourth proportional to 14,878.04, 20,531.70 and 8,590.41 is: 11,854.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,878.04 : 20,531.70 = 8,590.41 : x
  2. Step 2: Convert to fraction form
    14,878.04/20,531.70 = 8,590.41/x
  3. Step 3: Cross multiply
    14,878.04x = 20,531.70 × 8,590.41
  4. Step 4: Simplify right side
    14,878.04x = 176,375,721.00
  5. Step 5: Solve for x
    x = 176,375,721.00/14,878.04
  6. Step 6: Final answer
    x = 11,854.77

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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.