Home / 18,588.96-25,641.50-11,030.31

Finding the Fourth Proportional to 18,588.96, 25,641.50 and 11,030.31

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Solution

The fourth proportional to 18,588.96, 25,641.50 and 11,030.31 is: 15,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.96 : 25,641.50 = 11,030.31 : x
  2. Step 2: Convert to fraction form
    18,588.96/25,641.50 = 11,030.31/x
  3. Step 3: Cross multiply
    18,588.96x = 25,641.50 × 11,030.31
  4. Step 4: Simplify right side
    18,588.96x = 282,833,638.71
  5. Step 5: Solve for x
    x = 282,833,638.71/18,588.96
  6. Step 6: Final answer
    x = 15,215.14

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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.