Home / 15,560.64-23,340.96-10,639.68

Finding the Fourth Proportional to 15,560.64, 23,340.96 and 10,639.68

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Solution

The fourth proportional to 15,560.64, 23,340.96 and 10,639.68 is: 15,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.64 : 23,340.96 = 10,639.68 : x
  2. Step 2: Convert to fraction form
    15,560.64/23,340.96 = 10,639.68/x
  3. Step 3: Cross multiply
    15,560.64x = 23,340.96 × 10,639.68
  4. Step 4: Simplify right side
    15,560.64x = 248,340,345.29
  5. Step 5: Solve for x
    x = 248,340,345.29/15,560.64
  6. Step 6: Final answer
    x = 15,959.52

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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.