Home / 15,343.58-21,177.70-8,973.14

Finding the Fourth Proportional to 15,343.58, 21,177.70 and 8,973.14

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Solution

The fourth proportional to 15,343.58, 21,177.70 and 8,973.14 is: 12,385.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,343.58 : 21,177.70 = 8,973.14 : x
  2. Step 2: Convert to fraction form
    15,343.58/21,177.70 = 8,973.14/x
  3. Step 3: Cross multiply
    15,343.58x = 21,177.70 × 8,973.14
  4. Step 4: Simplify right side
    15,343.58x = 190,030,338.66
  5. Step 5: Solve for x
    x = 190,030,338.66/15,343.58
  6. Step 6: Final answer
    x = 12,385.00

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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.