Home / 9,009.81-12,433.01-5,031.18

Finding the Fourth Proportional to 9,009.81, 12,433.01 and 5,031.18

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Solution

The fourth proportional to 9,009.81, 12,433.01 and 5,031.18 is: 6,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.81 : 12,433.01 = 5,031.18 : x
  2. Step 2: Convert to fraction form
    9,009.81/12,433.01 = 5,031.18/x
  3. Step 3: Cross multiply
    9,009.81x = 12,433.01 × 5,031.18
  4. Step 4: Simplify right side
    9,009.81x = 62,552,686.10
  5. Step 5: Solve for x
    x = 62,552,686.10/9,009.81
  6. Step 6: Final answer
    x = 6,942.73

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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.