Home / 15,430.50-23,145.75-6,196.50

Finding the Fourth Proportional to 15,430.50, 23,145.75 and 6,196.50

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Solution

The fourth proportional to 15,430.50, 23,145.75 and 6,196.50 is: 9,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.50 : 23,145.75 = 6,196.50 : x
  2. Step 2: Convert to fraction form
    15,430.50/23,145.75 = 6,196.50/x
  3. Step 3: Cross multiply
    15,430.50x = 23,145.75 × 6,196.50
  4. Step 4: Simplify right side
    15,430.50x = 143,422,639.88
  5. Step 5: Solve for x
    x = 143,422,639.88/15,430.50
  6. Step 6: Final answer
    x = 9,294.75

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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.