Home / 15,666.06-23,500.71-5,278.62

Finding the Fourth Proportional to 15,666.06, 23,500.71 and 5,278.62

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Solution

The fourth proportional to 15,666.06, 23,500.71 and 5,278.62 is: 7,918.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666.06 : 23,500.71 = 5,278.62 : x
  2. Step 2: Convert to fraction form
    15,666.06/23,500.71 = 5,278.62/x
  3. Step 3: Cross multiply
    15,666.06x = 23,500.71 × 5,278.62
  4. Step 4: Simplify right side
    15,666.06x = 124,051,317.82
  5. Step 5: Solve for x
    x = 124,051,317.82/15,666.06
  6. Step 6: Final answer
    x = 7,918.48

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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.