Home / 9,431.34-14,122.23-6,642.91

Finding the Fourth Proportional to 9,431.34, 14,122.23 and 6,642.91

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Solution

The fourth proportional to 9,431.34, 14,122.23 and 6,642.91 is: 9,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.34 : 14,122.23 = 6,642.91 : x
  2. Step 2: Convert to fraction form
    9,431.34/14,122.23 = 6,642.91/x
  3. Step 3: Cross multiply
    9,431.34x = 14,122.23 × 6,642.91
  4. Step 4: Simplify right side
    9,431.34x = 93,812,702.89
  5. Step 5: Solve for x
    x = 93,812,702.89/9,431.34
  6. Step 6: Final answer
    x = 9,946.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.