Home / 18,345.13-25,327.02-13,304.50

Finding the Fourth Proportional to 18,345.13, 25,327.02 and 13,304.50

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Solution

The fourth proportional to 18,345.13, 25,327.02 and 13,304.50 is: 18,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345.13 : 25,327.02 = 13,304.50 : x
  2. Step 2: Convert to fraction form
    18,345.13/25,327.02 = 13,304.50/x
  3. Step 3: Cross multiply
    18,345.13x = 25,327.02 × 13,304.50
  4. Step 4: Simplify right side
    18,345.13x = 336,963,337.59
  5. Step 5: Solve for x
    x = 336,963,337.59/18,345.13
  6. Step 6: Final answer
    x = 18,368.00

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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.