Home / 9,345.11-12,886.34-5,988.06

Finding the Fourth Proportional to 9,345.11, 12,886.34 and 5,988.06

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Solution

The fourth proportional to 9,345.11, 12,886.34 and 5,988.06 is: 8,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345.11 : 12,886.34 = 5,988.06 : x
  2. Step 2: Convert to fraction form
    9,345.11/12,886.34 = 5,988.06/x
  3. Step 3: Cross multiply
    9,345.11x = 12,886.34 × 5,988.06
  4. Step 4: Simplify right side
    9,345.11x = 77,164,147.16
  5. Step 5: Solve for x
    x = 77,164,147.16/9,345.11
  6. Step 6: Final answer
    x = 8,257.17

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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.