Home / 15,730.01-21,707.28-8,925.33

Finding the Fourth Proportional to 15,730.01, 21,707.28 and 8,925.33

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Solution

The fourth proportional to 15,730.01, 21,707.28 and 8,925.33 is: 12,316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730.01 : 21,707.28 = 8,925.33 : x
  2. Step 2: Convert to fraction form
    15,730.01/21,707.28 = 8,925.33/x
  3. Step 3: Cross multiply
    15,730.01x = 21,707.28 × 8,925.33
  4. Step 4: Simplify right side
    15,730.01x = 193,744,637.40
  5. Step 5: Solve for x
    x = 193,744,637.40/15,730.01
  6. Step 6: Final answer
    x = 12,316.88

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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.