Home / 9,819.16-13,554.39-6,677.26

Finding the Fourth Proportional to 9,819.16, 13,554.39 and 6,677.26

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Solution

The fourth proportional to 9,819.16, 13,554.39 and 6,677.26 is: 9,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.16 : 13,554.39 = 6,677.26 : x
  2. Step 2: Convert to fraction form
    9,819.16/13,554.39 = 6,677.26/x
  3. Step 3: Cross multiply
    9,819.16x = 13,554.39 × 6,677.26
  4. Step 4: Simplify right side
    9,819.16x = 90,506,186.17
  5. Step 5: Solve for x
    x = 90,506,186.17/9,819.16
  6. Step 6: Final answer
    x = 9,217.30

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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.