Home / 40,007.09-60,009.86-11,946.16

Finding the Fourth Proportional to 40,007.09, 60,009.86 and 11,946.16

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Solution

The fourth proportional to 40,007.09, 60,009.86 and 11,946.16 is: 17,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.09 : 60,009.86 = 11,946.16 : x
  2. Step 2: Convert to fraction form
    40,007.09/60,009.86 = 11,946.16/x
  3. Step 3: Cross multiply
    40,007.09x = 60,009.86 × 11,946.16
  4. Step 4: Simplify right side
    40,007.09x = 716,887,325.24
  5. Step 5: Solve for x
    x = 716,887,325.24/40,007.09
  6. Step 6: Final answer
    x = 17,919.01

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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.