Home / 19,506.40-29,259.60-9,664.90

Finding the Fourth Proportional to 19,506.40, 29,259.60 and 9,664.90

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Solution

The fourth proportional to 19,506.40, 29,259.60 and 9,664.90 is: 14,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,506.40 : 29,259.60 = 9,664.90 : x
  2. Step 2: Convert to fraction form
    19,506.40/29,259.60 = 9,664.90/x
  3. Step 3: Cross multiply
    19,506.40x = 29,259.60 × 9,664.90
  4. Step 4: Simplify right side
    19,506.40x = 282,791,108.04
  5. Step 5: Solve for x
    x = 282,791,108.04/19,506.40
  6. Step 6: Final answer
    x = 14,497.35

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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.