Home / 10,155.80-15,233.63-5,226.81

Finding the Fourth Proportional to 10,155.80, 15,233.63 and 5,226.81

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Solution

The fourth proportional to 10,155.80, 15,233.63 and 5,226.81 is: 7,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.80 : 15,233.63 = 5,226.81 : x
  2. Step 2: Convert to fraction form
    10,155.80/15,233.63 = 5,226.81/x
  3. Step 3: Cross multiply
    10,155.80x = 15,233.63 × 5,226.81
  4. Step 4: Simplify right side
    10,155.80x = 79,623,263.49
  5. Step 5: Solve for x
    x = 79,623,263.49/10,155.80
  6. Step 6: Final answer
    x = 7,840.18

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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.