Home / 15,955.05-22,017.59-8,881.32

Finding the Fourth Proportional to 15,955.05, 22,017.59 and 8,881.32

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Solution

The fourth proportional to 15,955.05, 22,017.59 and 8,881.32 is: 12,256.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.05 : 22,017.59 = 8,881.32 : x
  2. Step 2: Convert to fraction form
    15,955.05/22,017.59 = 8,881.32/x
  3. Step 3: Cross multiply
    15,955.05x = 22,017.59 × 8,881.32
  4. Step 4: Simplify right side
    15,955.05x = 195,545,262.42
  5. Step 5: Solve for x
    x = 195,545,262.42/15,955.05
  6. Step 6: Final answer
    x = 12,256.01

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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.