Home / 14,315.32-19,751.10-9,279.75

Finding the Fourth Proportional to 14,315.32, 19,751.10 and 9,279.75

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Solution

The fourth proportional to 14,315.32, 19,751.10 and 9,279.75 is: 12,803.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.32 : 19,751.10 = 9,279.75 : x
  2. Step 2: Convert to fraction form
    14,315.32/19,751.10 = 9,279.75/x
  3. Step 3: Cross multiply
    14,315.32x = 19,751.10 × 9,279.75
  4. Step 4: Simplify right side
    14,315.32x = 183,285,270.23
  5. Step 5: Solve for x
    x = 183,285,270.23/14,315.32
  6. Step 6: Final answer
    x = 12,803.44

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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.