Home / 14,339.90-19,785.60-8,368.16

Finding the Fourth Proportional to 14,339.90, 19,785.60 and 8,368.16

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Solution

The fourth proportional to 14,339.90, 19,785.60 and 8,368.16 is: 11,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.90 : 19,785.60 = 8,368.16 : x
  2. Step 2: Convert to fraction form
    14,339.90/19,785.60 = 8,368.16/x
  3. Step 3: Cross multiply
    14,339.90x = 19,785.60 × 8,368.16
  4. Step 4: Simplify right side
    14,339.90x = 165,569,066.50
  5. Step 5: Solve for x
    x = 165,569,066.50/14,339.90
  6. Step 6: Final answer
    x = 11,546.04

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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.