Home / 10,819.04-14,935.08-7,239.92

Finding the Fourth Proportional to 10,819.04, 14,935.08 and 7,239.92

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Solution

The fourth proportional to 10,819.04, 14,935.08 and 7,239.92 is: 9,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.04 : 14,935.08 = 7,239.92 : x
  2. Step 2: Convert to fraction form
    10,819.04/14,935.08 = 7,239.92/x
  3. Step 3: Cross multiply
    10,819.04x = 14,935.08 × 7,239.92
  4. Step 4: Simplify right side
    10,819.04x = 108,128,784.39
  5. Step 5: Solve for x
    x = 108,128,784.39/10,819.04
  6. Step 6: Final answer
    x = 9,994.30

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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.