Home / 13,478.74-18,600.41-7,510.28

Finding the Fourth Proportional to 13,478.74, 18,600.41 and 7,510.28

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Solution

The fourth proportional to 13,478.74, 18,600.41 and 7,510.28 is: 10,364.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478.74 : 18,600.41 = 7,510.28 : x
  2. Step 2: Convert to fraction form
    13,478.74/18,600.41 = 7,510.28/x
  3. Step 3: Cross multiply
    13,478.74x = 18,600.41 × 7,510.28
  4. Step 4: Simplify right side
    13,478.74x = 139,694,287.21
  5. Step 5: Solve for x
    x = 139,694,287.21/13,478.74
  6. Step 6: Final answer
    x = 10,364.05

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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.