Home / 15,156.27-22,721.58-7,254.45

Finding the Fourth Proportional to 15,156.27, 22,721.58 and 7,254.45

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Solution

The fourth proportional to 15,156.27, 22,721.58 and 7,254.45 is: 10,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,156.27 : 22,721.58 = 7,254.45 : x
  2. Step 2: Convert to fraction form
    15,156.27/22,721.58 = 7,254.45/x
  3. Step 3: Cross multiply
    15,156.27x = 22,721.58 × 7,254.45
  4. Step 4: Simplify right side
    15,156.27x = 164,832,566.03
  5. Step 5: Solve for x
    x = 164,832,566.03/15,156.27
  6. Step 6: Final answer
    x = 10,875.54

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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.