Home / 15,698.40-23,547.60-6,928.80

Finding the Fourth Proportional to 15,698.40, 23,547.60 and 6,928.80

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Solution

The fourth proportional to 15,698.40, 23,547.60 and 6,928.80 is: 10,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698.40 : 23,547.60 = 6,928.80 : x
  2. Step 2: Convert to fraction form
    15,698.40/23,547.60 = 6,928.80/x
  3. Step 3: Cross multiply
    15,698.40x = 23,547.60 × 6,928.80
  4. Step 4: Simplify right side
    15,698.40x = 163,156,610.88
  5. Step 5: Solve for x
    x = 163,156,610.88/15,698.40
  6. Step 6: Final answer
    x = 10,393.20

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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.