Home / 22,246.64-30,703.82-12,686.55

Finding the Fourth Proportional to 22,246.64, 30,703.82 and 12,686.55

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Solution

The fourth proportional to 22,246.64, 30,703.82 and 12,686.55 is: 17,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,246.64 : 30,703.82 = 12,686.55 : x
  2. Step 2: Convert to fraction form
    22,246.64/30,703.82 = 12,686.55/x
  3. Step 3: Cross multiply
    22,246.64x = 30,703.82 × 12,686.55
  4. Step 4: Simplify right side
    22,246.64x = 389,525,547.62
  5. Step 5: Solve for x
    x = 389,525,547.62/22,246.64
  6. Step 6: Final answer
    x = 17,509.41

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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.