Home / 13,062.19-18,031.33-8,818.99

Finding the Fourth Proportional to 13,062.19, 18,031.33 and 8,818.99

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Solution

The fourth proportional to 13,062.19, 18,031.33 and 8,818.99 is: 12,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.19 : 18,031.33 = 8,818.99 : x
  2. Step 2: Convert to fraction form
    13,062.19/18,031.33 = 8,818.99/x
  3. Step 3: Cross multiply
    13,062.19x = 18,031.33 × 8,818.99
  4. Step 4: Simplify right side
    13,062.19x = 159,018,118.96
  5. Step 5: Solve for x
    x = 159,018,118.96/13,062.19
  6. Step 6: Final answer
    x = 12,173.93

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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.