Home / 14,003.57-19,320.80-8,335.46

Finding the Fourth Proportional to 14,003.57, 19,320.80 and 8,335.46

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Solution

The fourth proportional to 14,003.57, 19,320.80 and 8,335.46 is: 11,500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.57 : 19,320.80 = 8,335.46 : x
  2. Step 2: Convert to fraction form
    14,003.57/19,320.80 = 8,335.46/x
  3. Step 3: Cross multiply
    14,003.57x = 19,320.80 × 8,335.46
  4. Step 4: Simplify right side
    14,003.57x = 161,047,762.19
  5. Step 5: Solve for x
    x = 161,047,762.19/14,003.57
  6. Step 6: Final answer
    x = 11,500.48

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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.