Home / 15,557.31-23,340.60-7,242.24

Finding the Fourth Proportional to 15,557.31, 23,340.60 and 7,242.24

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Solution

The fourth proportional to 15,557.31, 23,340.60 and 7,242.24 is: 10,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.31 : 23,340.60 = 7,242.24 : x
  2. Step 2: Convert to fraction form
    15,557.31/23,340.60 = 7,242.24/x
  3. Step 3: Cross multiply
    15,557.31x = 23,340.60 × 7,242.24
  4. Step 4: Simplify right side
    15,557.31x = 169,038,226.94
  5. Step 5: Solve for x
    x = 169,038,226.94/15,557.31
  6. Step 6: Final answer
    x = 10,865.52

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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.