Home / 16,698.90-23,047.01-9,528.78

Finding the Fourth Proportional to 16,698.90, 23,047.01 and 9,528.78

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Solution

The fourth proportional to 16,698.90, 23,047.01 and 9,528.78 is: 13,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,698.90 : 23,047.01 = 9,528.78 : x
  2. Step 2: Convert to fraction form
    16,698.90/23,047.01 = 9,528.78/x
  3. Step 3: Cross multiply
    16,698.90x = 23,047.01 × 9,528.78
  4. Step 4: Simplify right side
    16,698.90x = 219,609,887.95
  5. Step 5: Solve for x
    x = 219,609,887.95/16,698.90
  6. Step 6: Final answer
    x = 13,151.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.