Home / 21,604.19-32,384.75-9,127.35

Finding the Fourth Proportional to 21,604.19, 32,384.75 and 9,127.35

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Solution

The fourth proportional to 21,604.19, 32,384.75 and 9,127.35 is: 13,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,604.19 : 32,384.75 = 9,127.35 : x
  2. Step 2: Convert to fraction form
    21,604.19/32,384.75 = 9,127.35/x
  3. Step 3: Cross multiply
    21,604.19x = 32,384.75 × 9,127.35
  4. Step 4: Simplify right side
    21,604.19x = 295,586,902.28
  5. Step 5: Solve for x
    x = 295,586,902.28/21,604.19
  6. Step 6: Final answer
    x = 13,681.93

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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.