Home / 9,420.51-13,005.96-5,888.52

Finding the Fourth Proportional to 9,420.51, 13,005.96 and 5,888.52

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Solution

The fourth proportional to 9,420.51, 13,005.96 and 5,888.52 is: 8,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.51 : 13,005.96 = 5,888.52 : x
  2. Step 2: Convert to fraction form
    9,420.51/13,005.96 = 5,888.52/x
  3. Step 3: Cross multiply
    9,420.51x = 13,005.96 × 5,888.52
  4. Step 4: Simplify right side
    9,420.51x = 76,585,855.58
  5. Step 5: Solve for x
    x = 76,585,855.58/9,420.51
  6. Step 6: Final answer
    x = 8,129.69

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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.