Home / 19,610.80-29,417.60-6,465.16

Finding the Fourth Proportional to 19,610.80, 29,417.60 and 6,465.16

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Solution

The fourth proportional to 19,610.80, 29,417.60 and 6,465.16 is: 9,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.80 : 29,417.60 = 6,465.16 : x
  2. Step 2: Convert to fraction form
    19,610.80/29,417.60 = 6,465.16/x
  3. Step 3: Cross multiply
    19,610.80x = 29,417.60 × 6,465.16
  4. Step 4: Simplify right side
    19,610.80x = 190,189,490.82
  5. Step 5: Solve for x
    x = 190,189,490.82/19,610.80
  6. Step 6: Final answer
    x = 9,698.20

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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.