Home / 15,637.17-21,579.30-8,564.03

Finding the Fourth Proportional to 15,637.17, 21,579.30 and 8,564.03

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Solution

The fourth proportional to 15,637.17, 21,579.30 and 8,564.03 is: 11,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,637.17 : 21,579.30 = 8,564.03 : x
  2. Step 2: Convert to fraction form
    15,637.17/21,579.30 = 8,564.03/x
  3. Step 3: Cross multiply
    15,637.17x = 21,579.30 × 8,564.03
  4. Step 4: Simplify right side
    15,637.17x = 184,805,664.68
  5. Step 5: Solve for x
    x = 184,805,664.68/15,637.17
  6. Step 6: Final answer
    x = 11,818.36

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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.