Home / 20,159.32-30,252.74-7,011.56

Finding the Fourth Proportional to 20,159.32, 30,252.74 and 7,011.56

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Solution

The fourth proportional to 20,159.32, 30,252.74 and 7,011.56 is: 10,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159.32 : 30,252.74 = 7,011.56 : x
  2. Step 2: Convert to fraction form
    20,159.32/30,252.74 = 7,011.56/x
  3. Step 3: Cross multiply
    20,159.32x = 30,252.74 × 7,011.56
  4. Step 4: Simplify right side
    20,159.32x = 212,118,901.67
  5. Step 5: Solve for x
    x = 212,118,901.67/20,159.32
  6. Step 6: Final answer
    x = 10,522.13

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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.