Home / 14,325.40-19,769.70-8,038.18

Finding the Fourth Proportional to 14,325.40, 19,769.70 and 8,038.18

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Solution

The fourth proportional to 14,325.40, 19,769.70 and 8,038.18 is: 11,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.40 : 19,769.70 = 8,038.18 : x
  2. Step 2: Convert to fraction form
    14,325.40/19,769.70 = 8,038.18/x
  3. Step 3: Cross multiply
    14,325.40x = 19,769.70 × 8,038.18
  4. Step 4: Simplify right side
    14,325.40x = 158,912,407.15
  5. Step 5: Solve for x
    x = 158,912,407.15/14,325.40
  6. Step 6: Final answer
    x = 11,093.05

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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.