Home / 19,318.72-26,655.74-11,358.04

Finding the Fourth Proportional to 19,318.72, 26,655.74 and 11,358.04

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Solution

The fourth proportional to 19,318.72, 26,655.74 and 11,358.04 is: 15,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.72 : 26,655.74 = 11,358.04 : x
  2. Step 2: Convert to fraction form
    19,318.72/26,655.74 = 11,358.04/x
  3. Step 3: Cross multiply
    19,318.72x = 26,655.74 × 11,358.04
  4. Step 4: Simplify right side
    19,318.72x = 302,756,904.36
  5. Step 5: Solve for x
    x = 302,756,904.36/19,318.72
  6. Step 6: Final answer
    x = 15,671.69

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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.