Home / 10,526.07-15,775.44-4,278.81

Finding the Fourth Proportional to 10,526.07, 15,775.44 and 4,278.81

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Solution

The fourth proportional to 10,526.07, 15,775.44 and 4,278.81 is: 6,412.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,526.07 : 15,775.44 = 4,278.81 : x
  2. Step 2: Convert to fraction form
    10,526.07/15,775.44 = 4,278.81/x
  3. Step 3: Cross multiply
    10,526.07x = 15,775.44 × 4,278.81
  4. Step 4: Simplify right side
    10,526.07x = 67,500,110.43
  5. Step 5: Solve for x
    x = 67,500,110.43/10,526.07
  6. Step 6: Final answer
    x = 6,412.66

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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.