Home / 10,407.91-14,367.19-7,055.32

Finding the Fourth Proportional to 10,407.91, 14,367.19 and 7,055.32

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Solution

The fourth proportional to 10,407.91, 14,367.19 and 7,055.32 is: 9,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.91 : 14,367.19 = 7,055.32 : x
  2. Step 2: Convert to fraction form
    10,407.91/14,367.19 = 7,055.32/x
  3. Step 3: Cross multiply
    10,407.91x = 14,367.19 × 7,055.32
  4. Step 4: Simplify right side
    10,407.91x = 101,365,069.39
  5. Step 5: Solve for x
    x = 101,365,069.39/10,407.91
  6. Step 6: Final answer
    x = 9,739.24

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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.