Home / 15,060.48-20,776.95-10,587.20

Finding the Fourth Proportional to 15,060.48, 20,776.95 and 10,587.20

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Solution

The fourth proportional to 15,060.48, 20,776.95 and 10,587.20 is: 14,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,060.48 : 20,776.95 = 10,587.20 : x
  2. Step 2: Convert to fraction form
    15,060.48/20,776.95 = 10,587.20/x
  3. Step 3: Cross multiply
    15,060.48x = 20,776.95 × 10,587.20
  4. Step 4: Simplify right side
    15,060.48x = 219,969,621.16
  5. Step 5: Solve for x
    x = 219,969,621.16/15,060.48
  6. Step 6: Final answer
    x = 14,605.75

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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.