Home / 15,735.02-21,717.69-10,707.62

Finding the Fourth Proportional to 15,735.02, 21,717.69 and 10,707.62

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Solution

The fourth proportional to 15,735.02, 21,717.69 and 10,707.62 is: 14,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,735.02 : 21,717.69 = 10,707.62 : x
  2. Step 2: Convert to fraction form
    15,735.02/21,717.69 = 10,707.62/x
  3. Step 3: Cross multiply
    15,735.02x = 21,717.69 × 10,707.62
  4. Step 4: Simplify right side
    15,735.02x = 232,544,771.80
  5. Step 5: Solve for x
    x = 232,544,771.80/15,735.02
  6. Step 6: Final answer
    x = 14,778.80

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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.