Home / 21,999.04-32,973.78-10,913.68

Finding the Fourth Proportional to 21,999.04, 32,973.78 and 10,913.68

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Solution

The fourth proportional to 21,999.04, 32,973.78 and 10,913.68 is: 16,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999.04 : 32,973.78 = 10,913.68 : x
  2. Step 2: Convert to fraction form
    21,999.04/32,973.78 = 10,913.68/x
  3. Step 3: Cross multiply
    21,999.04x = 32,973.78 × 10,913.68
  4. Step 4: Simplify right side
    21,999.04x = 359,865,283.31
  5. Step 5: Solve for x
    x = 359,865,283.31/21,999.04
  6. Step 6: Final answer
    x = 16,358.23

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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.