Home / 15,811.60-21,794.66-10,705.52

Finding the Fourth Proportional to 15,811.60, 21,794.66 and 10,705.52

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Solution

The fourth proportional to 15,811.60, 21,794.66 and 10,705.52 is: 14,756.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,811.60 : 21,794.66 = 10,705.52 : x
  2. Step 2: Convert to fraction form
    15,811.60/21,794.66 = 10,705.52/x
  3. Step 3: Cross multiply
    15,811.60x = 21,794.66 × 10,705.52
  4. Step 4: Simplify right side
    15,811.60x = 233,323,168.52
  5. Step 5: Solve for x
    x = 233,323,168.52/15,811.60
  6. Step 6: Final answer
    x = 14,756.46

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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.