Home / 13,521.07-20,282.17-4,642.50

Finding the Fourth Proportional to 13,521.07, 20,282.17 and 4,642.50

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Solution

The fourth proportional to 13,521.07, 20,282.17 and 4,642.50 is: 6,963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521.07 : 20,282.17 = 4,642.50 : x
  2. Step 2: Convert to fraction form
    13,521.07/20,282.17 = 4,642.50/x
  3. Step 3: Cross multiply
    13,521.07x = 20,282.17 × 4,642.50
  4. Step 4: Simplify right side
    13,521.07x = 94,159,974.23
  5. Step 5: Solve for x
    x = 94,159,974.23/13,521.07
  6. Step 6: Final answer
    x = 6,963.94

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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.