Home / 13,407.12-20,111.76-4,641.84

Finding the Fourth Proportional to 13,407.12, 20,111.76 and 4,641.84

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Solution

The fourth proportional to 13,407.12, 20,111.76 and 4,641.84 is: 6,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407.12 : 20,111.76 = 4,641.84 : x
  2. Step 2: Convert to fraction form
    13,407.12/20,111.76 = 4,641.84/x
  3. Step 3: Cross multiply
    13,407.12x = 20,111.76 × 4,641.84
  4. Step 4: Simplify right side
    13,407.12x = 93,355,572.04
  5. Step 5: Solve for x
    x = 93,355,572.04/13,407.12
  6. Step 6: Final answer
    x = 6,963.13

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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.