Home / 10,518.02-15,748.29-10,239.18

Finding the Fourth Proportional to 10,518.02, 15,748.29 and 10,239.18

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Solution

The fourth proportional to 10,518.02, 15,748.29 and 10,239.18 is: 15,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.02 : 15,748.29 = 10,239.18 : x
  2. Step 2: Convert to fraction form
    10,518.02/15,748.29 = 10,239.18/x
  3. Step 3: Cross multiply
    10,518.02x = 15,748.29 × 10,239.18
  4. Step 4: Simplify right side
    10,518.02x = 161,249,576.00
  5. Step 5: Solve for x
    x = 161,249,576.00/10,518.02
  6. Step 6: Final answer
    x = 15,330.79

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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.