Home / 19,656.63-29,487.51-5,617.17

Finding the Fourth Proportional to 19,656.63, 29,487.51 and 5,617.17

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Solution

The fourth proportional to 19,656.63, 29,487.51 and 5,617.17 is: 8,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.63 : 29,487.51 = 5,617.17 : x
  2. Step 2: Convert to fraction form
    19,656.63/29,487.51 = 5,617.17/x
  3. Step 3: Cross multiply
    19,656.63x = 29,487.51 × 5,617.17
  4. Step 4: Simplify right side
    19,656.63x = 165,636,356.55
  5. Step 5: Solve for x
    x = 165,636,356.55/19,656.63
  6. Step 6: Final answer
    x = 8,426.49

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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.