Home / 15,261.53-21,058.70-8,547.44

Finding the Fourth Proportional to 15,261.53, 21,058.70 and 8,547.44

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Solution

The fourth proportional to 15,261.53, 21,058.70 and 8,547.44 is: 11,794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261.53 : 21,058.70 = 8,547.44 : x
  2. Step 2: Convert to fraction form
    15,261.53/21,058.70 = 8,547.44/x
  3. Step 3: Cross multiply
    15,261.53x = 21,058.70 × 8,547.44
  4. Step 4: Simplify right side
    15,261.53x = 179,997,826.70
  5. Step 5: Solve for x
    x = 179,997,826.70/15,261.53
  6. Step 6: Final answer
    x = 11,794.22

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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.