Home / 13,721.59-20,570.23-5,927.77

Finding the Fourth Proportional to 13,721.59, 20,570.23 and 5,927.77

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Solution

The fourth proportional to 13,721.59, 20,570.23 and 5,927.77 is: 8,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,721.59 : 20,570.23 = 5,927.77 : x
  2. Step 2: Convert to fraction form
    13,721.59/20,570.23 = 5,927.77/x
  3. Step 3: Cross multiply
    13,721.59x = 20,570.23 × 5,927.77
  4. Step 4: Simplify right side
    13,721.59x = 121,935,592.29
  5. Step 5: Solve for x
    x = 121,935,592.29/13,721.59
  6. Step 6: Final answer
    x = 8,886.40

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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.