Home / 15,015.61-22,519.95-5,656.60

Finding the Fourth Proportional to 15,015.61, 22,519.95 and 5,656.60

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Solution

The fourth proportional to 15,015.61, 22,519.95 and 5,656.60 is: 8,483.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,015.61 : 22,519.95 = 5,656.60 : x
  2. Step 2: Convert to fraction form
    15,015.61/22,519.95 = 5,656.60/x
  3. Step 3: Cross multiply
    15,015.61x = 22,519.95 × 5,656.60
  4. Step 4: Simplify right side
    15,015.61x = 127,386,349.17
  5. Step 5: Solve for x
    x = 127,386,349.17/15,015.61
  6. Step 6: Final answer
    x = 8,483.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.