Home / 19,564.60-29,346.90-9,705.40

Finding the Fourth Proportional to 19,564.60, 29,346.90 and 9,705.40

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Solution

The fourth proportional to 19,564.60, 29,346.90 and 9,705.40 is: 14,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,564.60 : 29,346.90 = 9,705.40 : x
  2. Step 2: Convert to fraction form
    19,564.60/29,346.90 = 9,705.40/x
  3. Step 3: Cross multiply
    19,564.60x = 29,346.90 × 9,705.40
  4. Step 4: Simplify right side
    19,564.60x = 284,823,403.26
  5. Step 5: Solve for x
    x = 284,823,403.26/19,564.60
  6. Step 6: Final answer
    x = 14,558.10

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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.