Home / 15,741.63-21,720.69-9,454.14

Finding the Fourth Proportional to 15,741.63, 21,720.69 and 9,454.14

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Solution

The fourth proportional to 15,741.63, 21,720.69 and 9,454.14 is: 13,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,741.63 : 21,720.69 = 9,454.14 : x
  2. Step 2: Convert to fraction form
    15,741.63/21,720.69 = 9,454.14/x
  3. Step 3: Cross multiply
    15,741.63x = 21,720.69 × 9,454.14
  4. Step 4: Simplify right side
    15,741.63x = 205,350,444.16
  5. Step 5: Solve for x
    x = 205,350,444.16/15,741.63
  6. Step 6: Final answer
    x = 13,045.06

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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.