Home / 17,772.51-26,660.18-10,377.72

Finding the Fourth Proportional to 17,772.51, 26,660.18 and 10,377.72

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Solution

The fourth proportional to 17,772.51, 26,660.18 and 10,377.72 is: 15,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,772.51 : 26,660.18 = 10,377.72 : x
  2. Step 2: Convert to fraction form
    17,772.51/26,660.18 = 10,377.72/x
  3. Step 3: Cross multiply
    17,772.51x = 26,660.18 × 10,377.72
  4. Step 4: Simplify right side
    17,772.51x = 276,671,749.89
  5. Step 5: Solve for x
    x = 276,671,749.89/17,772.51
  6. Step 6: Final answer
    x = 15,567.40

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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.