Home / 15,918.40-21,967.50-8,844.94

Finding the Fourth Proportional to 15,918.40, 21,967.50 and 8,844.94

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Solution

The fourth proportional to 15,918.40, 21,967.50 and 8,844.94 is: 12,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918.40 : 21,967.50 = 8,844.94 : x
  2. Step 2: Convert to fraction form
    15,918.40/21,967.50 = 8,844.94/x
  3. Step 3: Cross multiply
    15,918.40x = 21,967.50 × 8,844.94
  4. Step 4: Simplify right side
    15,918.40x = 194,301,219.45
  5. Step 5: Solve for x
    x = 194,301,219.45/15,918.40
  6. Step 6: Final answer
    x = 12,206.08

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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.