Home / 18,534.18-25,579-10,577.60

Finding the Fourth Proportional to 18,534.18, 25,579 and 10,577.60

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Solution

The fourth proportional to 18,534.18, 25,579 and 10,577.60 is: 14,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534.18 : 25,579 = 10,577.60 : x
  2. Step 2: Convert to fraction form
    18,534.18/25,579 = 10,577.60/x
  3. Step 3: Cross multiply
    18,534.18x = 25,579 × 10,577.60
  4. Step 4: Simplify right side
    18,534.18x = 270,564,430.40
  5. Step 5: Solve for x
    x = 270,564,430.40/18,534.18
  6. Step 6: Final answer
    x = 14,598.13

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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.