Home / 18,258.93-27,386.04-5,780.25

Finding the Fourth Proportional to 18,258.93, 27,386.04 and 5,780.25

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Solution

The fourth proportional to 18,258.93, 27,386.04 and 5,780.25 is: 8,669.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.93 : 27,386.04 = 5,780.25 : x
  2. Step 2: Convert to fraction form
    18,258.93/27,386.04 = 5,780.25/x
  3. Step 3: Cross multiply
    18,258.93x = 27,386.04 × 5,780.25
  4. Step 4: Simplify right side
    18,258.93x = 158,298,157.71
  5. Step 5: Solve for x
    x = 158,298,157.71/18,258.93
  6. Step 6: Final answer
    x = 8,669.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.