Home / 14,445.96-19,911.60-9,664.19

Finding the Fourth Proportional to 14,445.96, 19,911.60 and 9,664.19

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Solution

The fourth proportional to 14,445.96, 19,911.60 and 9,664.19 is: 13,320.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.96 : 19,911.60 = 9,664.19 : x
  2. Step 2: Convert to fraction form
    14,445.96/19,911.60 = 9,664.19/x
  3. Step 3: Cross multiply
    14,445.96x = 19,911.60 × 9,664.19
  4. Step 4: Simplify right side
    14,445.96x = 192,429,386.05
  5. Step 5: Solve for x
    x = 192,429,386.05/14,445.96
  6. Step 6: Final answer
    x = 13,320.64

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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.