Home / 9,890.10-14,835.15-3,314.70

Finding the Fourth Proportional to 9,890.10, 14,835.15 and 3,314.70

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Solution

The fourth proportional to 9,890.10, 14,835.15 and 3,314.70 is: 4,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.10 : 14,835.15 = 3,314.70 : x
  2. Step 2: Convert to fraction form
    9,890.10/14,835.15 = 3,314.70/x
  3. Step 3: Cross multiply
    9,890.10x = 14,835.15 × 3,314.70
  4. Step 4: Simplify right side
    9,890.10x = 49,174,071.71
  5. Step 5: Solve for x
    x = 49,174,071.71/9,890.10
  6. Step 6: Final answer
    x = 4,972.05

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Similar ratio
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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.