Home / 19,333.50-28,995.80-10,903.70

Finding the Fourth Proportional to 19,333.50, 28,995.80 and 10,903.70

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Solution

The fourth proportional to 19,333.50, 28,995.80 and 10,903.70 is: 16,353.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.50 : 28,995.80 = 10,903.70 : x
  2. Step 2: Convert to fraction form
    19,333.50/28,995.80 = 10,903.70/x
  3. Step 3: Cross multiply
    19,333.50x = 28,995.80 × 10,903.70
  4. Step 4: Simplify right side
    19,333.50x = 316,161,304.96
  5. Step 5: Solve for x
    x = 316,161,304.96/19,333.50
  6. Step 6: Final answer
    x = 16,353.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.