Home / 14,430.72-19,917.36-8,465.52

Finding the Fourth Proportional to 14,430.72, 19,917.36 and 8,465.52

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Solution

The fourth proportional to 14,430.72, 19,917.36 and 8,465.52 is: 11,684.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.72 : 19,917.36 = 8,465.52 : x
  2. Step 2: Convert to fraction form
    14,430.72/19,917.36 = 8,465.52/x
  3. Step 3: Cross multiply
    14,430.72x = 19,917.36 × 8,465.52
  4. Step 4: Simplify right side
    14,430.72x = 168,610,809.43
  5. Step 5: Solve for x
    x = 168,610,809.43/14,430.72
  6. Step 6: Final answer
    x = 11,684.16

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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.