Home / 22,240.98-30,703.66-12,807.72

Finding the Fourth Proportional to 22,240.98, 30,703.66 and 12,807.72

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Solution

The fourth proportional to 22,240.98, 30,703.66 and 12,807.72 is: 17,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,240.98 : 30,703.66 = 12,807.72 : x
  2. Step 2: Convert to fraction form
    22,240.98/30,703.66 = 12,807.72/x
  3. Step 3: Cross multiply
    22,240.98x = 30,703.66 × 12,807.72
  4. Step 4: Simplify right side
    22,240.98x = 393,243,848.24
  5. Step 5: Solve for x
    x = 393,243,848.24/22,240.98
  6. Step 6: Final answer
    x = 17,681.05

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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.