Home / 12,356.43-18,526.86-10,482.98

Finding the Fourth Proportional to 12,356.43, 18,526.86 and 10,482.98

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Solution

The fourth proportional to 12,356.43, 18,526.86 and 10,482.98 is: 15,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.43 : 18,526.86 = 10,482.98 : x
  2. Step 2: Convert to fraction form
    12,356.43/18,526.86 = 10,482.98/x
  3. Step 3: Cross multiply
    12,356.43x = 18,526.86 × 10,482.98
  4. Step 4: Simplify right side
    12,356.43x = 194,216,743.91
  5. Step 5: Solve for x
    x = 194,216,743.91/12,356.43
  6. Step 6: Final answer
    x = 15,717.86

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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.