Home / 12,590.07-17,374.32-7,001.07

Finding the Fourth Proportional to 12,590.07, 17,374.32 and 7,001.07

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Solution

The fourth proportional to 12,590.07, 17,374.32 and 7,001.07 is: 9,661.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590.07 : 17,374.32 = 7,001.07 : x
  2. Step 2: Convert to fraction form
    12,590.07/17,374.32 = 7,001.07/x
  3. Step 3: Cross multiply
    12,590.07x = 17,374.32 × 7,001.07
  4. Step 4: Simplify right side
    12,590.07x = 121,638,830.52
  5. Step 5: Solve for x
    x = 121,638,830.52/12,590.07
  6. Step 6: Final answer
    x = 9,661.49

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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.