Home / 15,658.48-23,428.86-10,987.60

Finding the Fourth Proportional to 15,658.48, 23,428.86 and 10,987.60

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Solution

The fourth proportional to 15,658.48, 23,428.86 and 10,987.60 is: 16,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658.48 : 23,428.86 = 10,987.60 : x
  2. Step 2: Convert to fraction form
    15,658.48/23,428.86 = 10,987.60/x
  3. Step 3: Cross multiply
    15,658.48x = 23,428.86 × 10,987.60
  4. Step 4: Simplify right side
    15,658.48x = 257,426,883.56
  5. Step 5: Solve for x
    x = 257,426,883.56/15,658.48
  6. Step 6: Final answer
    x = 16,440.10

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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.