Home / 9,437.09-13,023.48-5,188.48

Finding the Fourth Proportional to 9,437.09, 13,023.48 and 5,188.48

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Solution

The fourth proportional to 9,437.09, 13,023.48 and 5,188.48 is: 7,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,437.09 : 13,023.48 = 5,188.48 : x
  2. Step 2: Convert to fraction form
    9,437.09/13,023.48 = 5,188.48/x
  3. Step 3: Cross multiply
    9,437.09x = 13,023.48 × 5,188.48
  4. Step 4: Simplify right side
    9,437.09x = 67,572,065.51
  5. Step 5: Solve for x
    x = 67,572,065.51/9,437.09
  6. Step 6: Final answer
    x = 7,160.27

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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.