Home / 15,708.91-23,566.83-5,178.51

Finding the Fourth Proportional to 15,708.91, 23,566.83 and 5,178.51

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Solution

The fourth proportional to 15,708.91, 23,566.83 and 5,178.51 is: 7,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.91 : 23,566.83 = 5,178.51 : x
  2. Step 2: Convert to fraction form
    15,708.91/23,566.83 = 5,178.51/x
  3. Step 3: Cross multiply
    15,708.91x = 23,566.83 × 5,178.51
  4. Step 4: Simplify right side
    15,708.91x = 122,041,064.82
  5. Step 5: Solve for x
    x = 122,041,064.82/15,708.91
  6. Step 6: Final answer
    x = 7,768.91

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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.