Home / 15,543.70-23,320.10-5,013.51

Finding the Fourth Proportional to 15,543.70, 23,320.10 and 5,013.51

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Solution

The fourth proportional to 15,543.70, 23,320.10 and 5,013.51 is: 7,521.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.70 : 23,320.10 = 5,013.51 : x
  2. Step 2: Convert to fraction form
    15,543.70/23,320.10 = 5,013.51/x
  3. Step 3: Cross multiply
    15,543.70x = 23,320.10 × 5,013.51
  4. Step 4: Simplify right side
    15,543.70x = 116,915,479.63
  5. Step 5: Solve for x
    x = 116,915,479.63/15,543.70
  6. Step 6: Final answer
    x = 7,521.73

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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.