Home / 14,878.06-20,528.10-8,590.42

Finding the Fourth Proportional to 14,878.06, 20,528.10 and 8,590.42

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Solution

The fourth proportional to 14,878.06, 20,528.10 and 8,590.42 is: 11,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,878.06 : 20,528.10 = 8,590.42 : x
  2. Step 2: Convert to fraction form
    14,878.06/20,528.10 = 8,590.42/x
  3. Step 3: Cross multiply
    14,878.06x = 20,528.10 × 8,590.42
  4. Step 4: Simplify right side
    14,878.06x = 176,345,000.80
  5. Step 5: Solve for x
    x = 176,345,000.80/14,878.06
  6. Step 6: Final answer
    x = 11,852.69

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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.