Home / 13,352.68-18,426.82-7,384.76

Finding the Fourth Proportional to 13,352.68, 18,426.82 and 7,384.76

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Solution

The fourth proportional to 13,352.68, 18,426.82 and 7,384.76 is: 10,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.68 : 18,426.82 = 7,384.76 : x
  2. Step 2: Convert to fraction form
    13,352.68/18,426.82 = 7,384.76/x
  3. Step 3: Cross multiply
    13,352.68x = 18,426.82 × 7,384.76
  4. Step 4: Simplify right side
    13,352.68x = 136,077,643.26
  5. Step 5: Solve for x
    x = 136,077,643.26/13,352.68
  6. Step 6: Final answer
    x = 10,191.04

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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.