Home / 20,702.26-31,062.50-10,848.60

Finding the Fourth Proportional to 20,702.26, 31,062.50 and 10,848.60

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Solution

The fourth proportional to 20,702.26, 31,062.50 and 10,848.60 is: 16,277.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702.26 : 31,062.50 = 10,848.60 : x
  2. Step 2: Convert to fraction form
    20,702.26/31,062.50 = 10,848.60/x
  3. Step 3: Cross multiply
    20,702.26x = 31,062.50 × 10,848.60
  4. Step 4: Simplify right side
    20,702.26x = 336,984,637.50
  5. Step 5: Solve for x
    x = 336,984,637.50/20,702.26
  6. Step 6: Final answer
    x = 16,277.67

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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.