Home / 15,248.58-21,041.12-8,877.23

Finding the Fourth Proportional to 15,248.58, 21,041.12 and 8,877.23

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Solution

The fourth proportional to 15,248.58, 21,041.12 and 8,877.23 is: 12,249.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248.58 : 21,041.12 = 8,877.23 : x
  2. Step 2: Convert to fraction form
    15,248.58/21,041.12 = 8,877.23/x
  3. Step 3: Cross multiply
    15,248.58x = 21,041.12 × 8,877.23
  4. Step 4: Simplify right side
    15,248.58x = 186,786,861.70
  5. Step 5: Solve for x
    x = 186,786,861.70/15,248.58
  6. Step 6: Final answer
    x = 12,249.46

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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.