Home / 11,421.02-17,140.18-4,851.82

Finding the Fourth Proportional to 11,421.02, 17,140.18 and 4,851.82

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Solution

The fourth proportional to 11,421.02, 17,140.18 and 4,851.82 is: 7,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.02 : 17,140.18 = 4,851.82 : x
  2. Step 2: Convert to fraction form
    11,421.02/17,140.18 = 4,851.82/x
  3. Step 3: Cross multiply
    11,421.02x = 17,140.18 × 4,851.82
  4. Step 4: Simplify right side
    11,421.02x = 83,160,982.43
  5. Step 5: Solve for x
    x = 83,160,982.43/11,421.02
  6. Step 6: Final answer
    x = 7,281.40

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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.