Home / 13,985.02-19,301.88-9,269.20

Finding the Fourth Proportional to 13,985.02, 19,301.88 and 9,269.20

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Solution

The fourth proportional to 13,985.02, 19,301.88 and 9,269.20 is: 12,793.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.02 : 19,301.88 = 9,269.20 : x
  2. Step 2: Convert to fraction form
    13,985.02/19,301.88 = 9,269.20/x
  3. Step 3: Cross multiply
    13,985.02x = 19,301.88 × 9,269.20
  4. Step 4: Simplify right side
    13,985.02x = 178,912,986.10
  5. Step 5: Solve for x
    x = 178,912,986.10/13,985.02
  6. Step 6: Final answer
    x = 12,793.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.