Home / 10,443.07-15,643.73-6,280.80

Finding the Fourth Proportional to 10,443.07, 15,643.73 and 6,280.80

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Solution

The fourth proportional to 10,443.07, 15,643.73 and 6,280.80 is: 9,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.07 : 15,643.73 = 6,280.80 : x
  2. Step 2: Convert to fraction form
    10,443.07/15,643.73 = 6,280.80/x
  3. Step 3: Cross multiply
    10,443.07x = 15,643.73 × 6,280.80
  4. Step 4: Simplify right side
    10,443.07x = 98,255,139.38
  5. Step 5: Solve for x
    x = 98,255,139.38/10,443.07
  6. Step 6: Final answer
    x = 9,408.65

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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.