Home / 19,276.68-26,595.18-11,720.64

Finding the Fourth Proportional to 19,276.68, 26,595.18 and 11,720.64

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Solution

The fourth proportional to 19,276.68, 26,595.18 and 11,720.64 is: 16,170.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.68 : 26,595.18 = 11,720.64 : x
  2. Step 2: Convert to fraction form
    19,276.68/26,595.18 = 11,720.64/x
  3. Step 3: Cross multiply
    19,276.68x = 26,595.18 × 11,720.64
  4. Step 4: Simplify right side
    19,276.68x = 311,712,530.52
  5. Step 5: Solve for x
    x = 311,712,530.52/19,276.68
  6. Step 6: Final answer
    x = 16,170.45

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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.