Home / 14,411.19-19,886.67-8,123.16

Finding the Fourth Proportional to 14,411.19, 19,886.67 and 8,123.16

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Solution

The fourth proportional to 14,411.19, 19,886.67 and 8,123.16 is: 11,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,411.19 : 19,886.67 = 8,123.16 : x
  2. Step 2: Convert to fraction form
    14,411.19/19,886.67 = 8,123.16/x
  3. Step 3: Cross multiply
    14,411.19x = 19,886.67 × 8,123.16
  4. Step 4: Simplify right side
    14,411.19x = 161,542,602.28
  5. Step 5: Solve for x
    x = 161,542,602.28/14,411.19
  6. Step 6: Final answer
    x = 11,209.53

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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.