Home / 15,483.30-21,367.35-9,110.34

Finding the Fourth Proportional to 15,483.30, 21,367.35 and 9,110.34

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Solution

The fourth proportional to 15,483.30, 21,367.35 and 9,110.34 is: 12,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,483.30 : 21,367.35 = 9,110.34 : x
  2. Step 2: Convert to fraction form
    15,483.30/21,367.35 = 9,110.34/x
  3. Step 3: Cross multiply
    15,483.30x = 21,367.35 × 9,110.34
  4. Step 4: Simplify right side
    15,483.30x = 194,663,823.40
  5. Step 5: Solve for x
    x = 194,663,823.40/15,483.30
  6. Step 6: Final answer
    x = 12,572.50

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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.