Home / 26,109.68-39,151.35-12,783.74

Finding the Fourth Proportional to 26,109.68, 39,151.35 and 12,783.74

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Solution

The fourth proportional to 26,109.68, 39,151.35 and 12,783.74 is: 19,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.68 : 39,151.35 = 12,783.74 : x
  2. Step 2: Convert to fraction form
    26,109.68/39,151.35 = 12,783.74/x
  3. Step 3: Cross multiply
    26,109.68x = 39,151.35 × 12,783.74
  4. Step 4: Simplify right side
    26,109.68x = 500,500,483.29
  5. Step 5: Solve for x
    x = 500,500,483.29/26,109.68
  6. Step 6: Final answer
    x = 19,169.16

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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.