Home / 15,941.21-21,987.65-10,276.07

Finding the Fourth Proportional to 15,941.21, 21,987.65 and 10,276.07

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Solution

The fourth proportional to 15,941.21, 21,987.65 and 10,276.07 is: 14,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941.21 : 21,987.65 = 10,276.07 : x
  2. Step 2: Convert to fraction form
    15,941.21/21,987.65 = 10,276.07/x
  3. Step 3: Cross multiply
    15,941.21x = 21,987.65 × 10,276.07
  4. Step 4: Simplify right side
    15,941.21x = 225,946,546.29
  5. Step 5: Solve for x
    x = 225,946,546.29/15,941.21
  6. Step 6: Final answer
    x = 14,173.74

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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.