Home / 10,291.43-14,187.63-7,306.18

Finding the Fourth Proportional to 10,291.43, 14,187.63 and 7,306.18

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Solution

The fourth proportional to 10,291.43, 14,187.63 and 7,306.18 is: 10,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.43 : 14,187.63 = 7,306.18 : x
  2. Step 2: Convert to fraction form
    10,291.43/14,187.63 = 7,306.18/x
  3. Step 3: Cross multiply
    10,291.43x = 14,187.63 × 7,306.18
  4. Step 4: Simplify right side
    10,291.43x = 103,657,343.08
  5. Step 5: Solve for x
    x = 103,657,343.08/10,291.43
  6. Step 6: Final answer
    x = 10,072.20

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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.