Home / 15,290.30-21,091.64-9,616.06

Finding the Fourth Proportional to 15,290.30, 21,091.64 and 9,616.06

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Solution

The fourth proportional to 15,290.30, 21,091.64 and 9,616.06 is: 13,264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290.30 : 21,091.64 = 9,616.06 : x
  2. Step 2: Convert to fraction form
    15,290.30/21,091.64 = 9,616.06/x
  3. Step 3: Cross multiply
    15,290.30x = 21,091.64 × 9,616.06
  4. Step 4: Simplify right side
    15,290.30x = 202,818,475.74
  5. Step 5: Solve for x
    x = 202,818,475.74/15,290.30
  6. Step 6: Final answer
    x = 13,264.52

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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.