Home / 15,742.08-23,615.28-6,976.80

Finding the Fourth Proportional to 15,742.08, 23,615.28 and 6,976.80

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Solution

The fourth proportional to 15,742.08, 23,615.28 and 6,976.80 is: 10,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742.08 : 23,615.28 = 6,976.80 : x
  2. Step 2: Convert to fraction form
    15,742.08/23,615.28 = 6,976.80/x
  3. Step 3: Cross multiply
    15,742.08x = 23,615.28 × 6,976.80
  4. Step 4: Simplify right side
    15,742.08x = 164,759,085.50
  5. Step 5: Solve for x
    x = 164,759,085.50/15,742.08
  6. Step 6: Final answer
    x = 10,466.16

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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.