Home / 15,646.34-21,591.70-8,572.74

Finding the Fourth Proportional to 15,646.34, 21,591.70 and 8,572.74

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Solution

The fourth proportional to 15,646.34, 21,591.70 and 8,572.74 is: 11,830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.34 : 21,591.70 = 8,572.74 : x
  2. Step 2: Convert to fraction form
    15,646.34/21,591.70 = 8,572.74/x
  3. Step 3: Cross multiply
    15,646.34x = 21,591.70 × 8,572.74
  4. Step 4: Simplify right side
    15,646.34x = 185,100,030.26
  5. Step 5: Solve for x
    x = 185,100,030.26/15,646.34
  6. Step 6: Final answer
    x = 11,830.24

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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.