Home / 10,172.34-14,036.85-5,695.74

Finding the Fourth Proportional to 10,172.34, 14,036.85 and 5,695.74

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Solution

The fourth proportional to 10,172.34, 14,036.85 and 5,695.74 is: 7,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.34 : 14,036.85 = 5,695.74 : x
  2. Step 2: Convert to fraction form
    10,172.34/14,036.85 = 5,695.74/x
  3. Step 3: Cross multiply
    10,172.34x = 14,036.85 × 5,695.74
  4. Step 4: Simplify right side
    10,172.34x = 79,950,248.02
  5. Step 5: Solve for x
    x = 79,950,248.02/10,172.34
  6. Step 6: Final answer
    x = 7,859.57

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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.