Home / 10,340.84-14,270.30-5,625.14

Finding the Fourth Proportional to 10,340.84, 14,270.30 and 5,625.14

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Solution

The fourth proportional to 10,340.84, 14,270.30 and 5,625.14 is: 7,762.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.84 : 14,270.30 = 5,625.14 : x
  2. Step 2: Convert to fraction form
    10,340.84/14,270.30 = 5,625.14/x
  3. Step 3: Cross multiply
    10,340.84x = 14,270.30 × 5,625.14
  4. Step 4: Simplify right side
    10,340.84x = 80,272,407.22
  5. Step 5: Solve for x
    x = 80,272,407.22/10,340.84
  6. Step 6: Final answer
    x = 7,762.66

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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.