Home / 15,666.64-23,500.08-5,278.24

Finding the Fourth Proportional to 15,666.64, 23,500.08 and 5,278.24

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Solution

The fourth proportional to 15,666.64, 23,500.08 and 5,278.24 is: 7,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666.64 : 23,500.08 = 5,278.24 : x
  2. Step 2: Convert to fraction form
    15,666.64/23,500.08 = 5,278.24/x
  3. Step 3: Cross multiply
    15,666.64x = 23,500.08 × 5,278.24
  4. Step 4: Simplify right side
    15,666.64x = 124,039,062.26
  5. Step 5: Solve for x
    x = 124,039,062.26/15,666.64
  6. Step 6: Final answer
    x = 7,917.40

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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.