Home / 9,885.34-13,647.27-6,864.94

Finding the Fourth Proportional to 9,885.34, 13,647.27 and 6,864.94

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Solution

The fourth proportional to 9,885.34, 13,647.27 and 6,864.94 is: 9,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.34 : 13,647.27 = 6,864.94 : x
  2. Step 2: Convert to fraction form
    9,885.34/13,647.27 = 6,864.94/x
  3. Step 3: Cross multiply
    9,885.34x = 13,647.27 × 6,864.94
  4. Step 4: Simplify right side
    9,885.34x = 93,687,689.71
  5. Step 5: Solve for x
    x = 93,687,689.71/9,885.34
  6. Step 6: Final answer
    x = 9,477.44

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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.