Home / 15,685.80-23,526.42-5,156.22

Finding the Fourth Proportional to 15,685.80, 23,526.42 and 5,156.22

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Solution

The fourth proportional to 15,685.80, 23,526.42 and 5,156.22 is: 7,733.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,685.80 : 23,526.42 = 5,156.22 : x
  2. Step 2: Convert to fraction form
    15,685.80/23,526.42 = 5,156.22/x
  3. Step 3: Cross multiply
    15,685.80x = 23,526.42 × 5,156.22
  4. Step 4: Simplify right side
    15,685.80x = 121,307,397.33
  5. Step 5: Solve for x
    x = 121,307,397.33/15,685.80
  6. Step 6: Final answer
    x = 7,733.58

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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.