Home / 15,071.04-22,620.56-7,681.05

Finding the Fourth Proportional to 15,071.04, 22,620.56 and 7,681.05

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Solution

The fourth proportional to 15,071.04, 22,620.56 and 7,681.05 is: 11,528.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071.04 : 22,620.56 = 7,681.05 : x
  2. Step 2: Convert to fraction form
    15,071.04/22,620.56 = 7,681.05/x
  3. Step 3: Cross multiply
    15,071.04x = 22,620.56 × 7,681.05
  4. Step 4: Simplify right side
    15,071.04x = 173,749,613.98
  5. Step 5: Solve for x
    x = 173,749,613.98/15,071.04
  6. Step 6: Final answer
    x = 11,528.71

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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.