Home / 13,411.29-20,117.19-4,646.49

Finding the Fourth Proportional to 13,411.29, 20,117.19 and 4,646.49

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Solution

The fourth proportional to 13,411.29, 20,117.19 and 4,646.49 is: 6,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411.29 : 20,117.19 = 4,646.49 : x
  2. Step 2: Convert to fraction form
    13,411.29/20,117.19 = 4,646.49/x
  3. Step 3: Cross multiply
    13,411.29x = 20,117.19 × 4,646.49
  4. Step 4: Simplify right side
    13,411.29x = 93,474,322.16
  5. Step 5: Solve for x
    x = 93,474,322.16/13,411.29
  6. Step 6: Final answer
    x = 6,969.82

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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.