Home / 9,386.67-12,953.23-5,407.91

Finding the Fourth Proportional to 9,386.67, 12,953.23 and 5,407.91

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Solution

The fourth proportional to 9,386.67, 12,953.23 and 5,407.91 is: 7,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.67 : 12,953.23 = 5,407.91 : x
  2. Step 2: Convert to fraction form
    9,386.67/12,953.23 = 5,407.91/x
  3. Step 3: Cross multiply
    9,386.67x = 12,953.23 × 5,407.91
  4. Step 4: Simplify right side
    9,386.67x = 70,049,902.05
  5. Step 5: Solve for x
    x = 70,049,902.05/9,386.67
  6. Step 6: Final answer
    x = 7,462.70

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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.