Home / 10,357.12-15,529.68-7,074.18

Finding the Fourth Proportional to 10,357.12, 15,529.68 and 7,074.18

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Solution

The fourth proportional to 10,357.12, 15,529.68 and 7,074.18 is: 10,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357.12 : 15,529.68 = 7,074.18 : x
  2. Step 2: Convert to fraction form
    10,357.12/15,529.68 = 7,074.18/x
  3. Step 3: Cross multiply
    10,357.12x = 15,529.68 × 7,074.18
  4. Step 4: Simplify right side
    10,357.12x = 109,859,751.66
  5. Step 5: Solve for x
    x = 109,859,751.66/10,357.12
  6. Step 6: Final answer
    x = 10,607.17

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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.