Home / 15,866.40-23,799.60-4,774.80

Finding the Fourth Proportional to 15,866.40, 23,799.60 and 4,774.80

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Solution

The fourth proportional to 15,866.40, 23,799.60 and 4,774.80 is: 7,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,866.40 : 23,799.60 = 4,774.80 : x
  2. Step 2: Convert to fraction form
    15,866.40/23,799.60 = 4,774.80/x
  3. Step 3: Cross multiply
    15,866.40x = 23,799.60 × 4,774.80
  4. Step 4: Simplify right side
    15,866.40x = 113,638,330.08
  5. Step 5: Solve for x
    x = 113,638,330.08/15,866.40
  6. Step 6: Final answer
    x = 7,162.20

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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.