Home / 15,262.15-21,062.81-8,547.59

Finding the Fourth Proportional to 15,262.15, 21,062.81 and 8,547.59

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Solution

The fourth proportional to 15,262.15, 21,062.81 and 8,547.59 is: 11,796.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,262.15 : 21,062.81 = 8,547.59 : x
  2. Step 2: Convert to fraction form
    15,262.15/21,062.81 = 8,547.59/x
  3. Step 3: Cross multiply
    15,262.15x = 21,062.81 × 8,547.59
  4. Step 4: Simplify right side
    15,262.15x = 180,036,264.13
  5. Step 5: Solve for x
    x = 180,036,264.13/15,262.15
  6. Step 6: Final answer
    x = 11,796.26

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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.