Home / 9,864.24-14,795.95-5,478.90

Finding the Fourth Proportional to 9,864.24, 14,795.95 and 5,478.90

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Solution

The fourth proportional to 9,864.24, 14,795.95 and 5,478.90 is: 8,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.24 : 14,795.95 = 5,478.90 : x
  2. Step 2: Convert to fraction form
    9,864.24/14,795.95 = 5,478.90/x
  3. Step 3: Cross multiply
    9,864.24x = 14,795.95 × 5,478.90
  4. Step 4: Simplify right side
    9,864.24x = 81,065,530.46
  5. Step 5: Solve for x
    x = 81,065,530.46/9,864.24
  6. Step 6: Final answer
    x = 8,218.12

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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.