Home / 15,543.63-21,444.94-9,491.67

Finding the Fourth Proportional to 15,543.63, 21,444.94 and 9,491.67

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Solution

The fourth proportional to 15,543.63, 21,444.94 and 9,491.67 is: 13,095.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.63 : 21,444.94 = 9,491.67 : x
  2. Step 2: Convert to fraction form
    15,543.63/21,444.94 = 9,491.67/x
  3. Step 3: Cross multiply
    15,543.63x = 21,444.94 × 9,491.67
  4. Step 4: Simplify right side
    15,543.63x = 203,548,239.20
  5. Step 5: Solve for x
    x = 203,548,239.20/15,543.63
  6. Step 6: Final answer
    x = 13,095.28

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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.