Home / 13,590.48-18,737.31-8,801.94

Finding the Fourth Proportional to 13,590.48, 18,737.31 and 8,801.94

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Solution

The fourth proportional to 13,590.48, 18,737.31 and 8,801.94 is: 12,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590.48 : 18,737.31 = 8,801.94 : x
  2. Step 2: Convert to fraction form
    13,590.48/18,737.31 = 8,801.94/x
  3. Step 3: Cross multiply
    13,590.48x = 18,737.31 × 8,801.94
  4. Step 4: Simplify right side
    13,590.48x = 164,924,678.38
  5. Step 5: Solve for x
    x = 164,924,678.38/13,590.48
  6. Step 6: Final answer
    x = 12,135.31

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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.