Home / 10,022.36-14,960.48-9,281.21

Finding the Fourth Proportional to 10,022.36, 14,960.48 and 9,281.21

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Solution

The fourth proportional to 10,022.36, 14,960.48 and 9,281.21 is: 13,854.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022.36 : 14,960.48 = 9,281.21 : x
  2. Step 2: Convert to fraction form
    10,022.36/14,960.48 = 9,281.21/x
  3. Step 3: Cross multiply
    10,022.36x = 14,960.48 × 9,281.21
  4. Step 4: Simplify right side
    10,022.36x = 138,851,235.37
  5. Step 5: Solve for x
    x = 138,851,235.37/10,022.36
  6. Step 6: Final answer
    x = 13,854.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.