Home / 15,646.34-23,439.26-8,699.78

Finding the Fourth Proportional to 15,646.34, 23,439.26 and 8,699.78

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Solution

The fourth proportional to 15,646.34, 23,439.26 and 8,699.78 is: 13,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.34 : 23,439.26 = 8,699.78 : x
  2. Step 2: Convert to fraction form
    15,646.34/23,439.26 = 8,699.78/x
  3. Step 3: Cross multiply
    15,646.34x = 23,439.26 × 8,699.78
  4. Step 4: Simplify right side
    15,646.34x = 203,916,368.51
  5. Step 5: Solve for x
    x = 203,916,368.51/15,646.34
  6. Step 6: Final answer
    x = 13,032.85

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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.