Home / 10,280.47-14,193.75-6,303.78

Finding the Fourth Proportional to 10,280.47, 14,193.75 and 6,303.78

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Solution

The fourth proportional to 10,280.47, 14,193.75 and 6,303.78 is: 8,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.47 : 14,193.75 = 6,303.78 : x
  2. Step 2: Convert to fraction form
    10,280.47/14,193.75 = 6,303.78/x
  3. Step 3: Cross multiply
    10,280.47x = 14,193.75 × 6,303.78
  4. Step 4: Simplify right side
    10,280.47x = 89,474,277.38
  5. Step 5: Solve for x
    x = 89,474,277.38/10,280.47
  6. Step 6: Final answer
    x = 8,703.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.