Home / 9,985.34-14,981.56-4,438.19

Finding the Fourth Proportional to 9,985.34, 14,981.56 and 4,438.19

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Solution

The fourth proportional to 9,985.34, 14,981.56 and 4,438.19 is: 6,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.34 : 14,981.56 = 4,438.19 : x
  2. Step 2: Convert to fraction form
    9,985.34/14,981.56 = 4,438.19/x
  3. Step 3: Cross multiply
    9,985.34x = 14,981.56 × 4,438.19
  4. Step 4: Simplify right side
    9,985.34x = 66,491,036.13
  5. Step 5: Solve for x
    x = 66,491,036.13/9,985.34
  6. Step 6: Final answer
    x = 6,658.86

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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.