Home / 10,349.04-14,284.80-9,819.96

Finding the Fourth Proportional to 10,349.04, 14,284.80 and 9,819.96

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Solution

The fourth proportional to 10,349.04, 14,284.80 and 9,819.96 is: 13,554.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.04 : 14,284.80 = 9,819.96 : x
  2. Step 2: Convert to fraction form
    10,349.04/14,284.80 = 9,819.96/x
  3. Step 3: Cross multiply
    10,349.04x = 14,284.80 × 9,819.96
  4. Step 4: Simplify right side
    10,349.04x = 140,276,164.61
  5. Step 5: Solve for x
    x = 140,276,164.61/10,349.04
  6. Step 6: Final answer
    x = 13,554.51

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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.