Home / 10,101.04-13,939.42-5,625.18

Finding the Fourth Proportional to 10,101.04, 13,939.42 and 5,625.18

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Solution

The fourth proportional to 10,101.04, 13,939.42 and 5,625.18 is: 7,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.04 : 13,939.42 = 5,625.18 : x
  2. Step 2: Convert to fraction form
    10,101.04/13,939.42 = 5,625.18/x
  3. Step 3: Cross multiply
    10,101.04x = 13,939.42 × 5,625.18
  4. Step 4: Simplify right side
    10,101.04x = 78,411,727.26
  5. Step 5: Solve for x
    x = 78,411,727.26/10,101.04
  6. Step 6: Final answer
    x = 7,762.74

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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.