Home / 15,540.02-21,444.48-8,824.76

Finding the Fourth Proportional to 15,540.02, 21,444.48 and 8,824.76

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Solution

The fourth proportional to 15,540.02, 21,444.48 and 8,824.76 is: 12,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.02 : 21,444.48 = 8,824.76 : x
  2. Step 2: Convert to fraction form
    15,540.02/21,444.48 = 8,824.76/x
  3. Step 3: Cross multiply
    15,540.02x = 21,444.48 × 8,824.76
  4. Step 4: Simplify right side
    15,540.02x = 189,242,362.52
  5. Step 5: Solve for x
    x = 189,242,362.52/15,540.02
  6. Step 6: Final answer
    x = 12,177.74

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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.