Home / 20,134.24-30,206.76-8,444.32

Finding the Fourth Proportional to 20,134.24, 30,206.76 and 8,444.32

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Solution

The fourth proportional to 20,134.24, 30,206.76 and 8,444.32 is: 12,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.24 : 30,206.76 = 8,444.32 : x
  2. Step 2: Convert to fraction form
    20,134.24/30,206.76 = 8,444.32/x
  3. Step 3: Cross multiply
    20,134.24x = 30,206.76 × 8,444.32
  4. Step 4: Simplify right side
    20,134.24x = 255,075,547.60
  5. Step 5: Solve for x
    x = 255,075,547.60/20,134.24
  6. Step 6: Final answer
    x = 12,668.74

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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.