Home / 14,077.80-19,407.60-8,769.06

Finding the Fourth Proportional to 14,077.80, 19,407.60 and 8,769.06

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Solution

The fourth proportional to 14,077.80, 19,407.60 and 8,769.06 is: 12,088.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.80 : 19,407.60 = 8,769.06 : x
  2. Step 2: Convert to fraction form
    14,077.80/19,407.60 = 8,769.06/x
  3. Step 3: Cross multiply
    14,077.80x = 19,407.60 × 8,769.06
  4. Step 4: Simplify right side
    14,077.80x = 170,186,408.86
  5. Step 5: Solve for x
    x = 170,186,408.86/14,077.80
  6. Step 6: Final answer
    x = 12,088.99

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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.