Home / 13,293.61-18,345.24-7,325.15

Finding the Fourth Proportional to 13,293.61, 18,345.24 and 7,325.15

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Solution

The fourth proportional to 13,293.61, 18,345.24 and 7,325.15 is: 10,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.61 : 18,345.24 = 7,325.15 : x
  2. Step 2: Convert to fraction form
    13,293.61/18,345.24 = 7,325.15/x
  3. Step 3: Cross multiply
    13,293.61x = 18,345.24 × 7,325.15
  4. Step 4: Simplify right side
    13,293.61x = 134,381,680.65
  5. Step 5: Solve for x
    x = 134,381,680.65/13,293.61
  6. Step 6: Final answer
    x = 10,108.74

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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.