Home / 13,584.01-18,746.46-7,615.81

Finding the Fourth Proportional to 13,584.01, 18,746.46 and 7,615.81

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Solution

The fourth proportional to 13,584.01, 18,746.46 and 7,615.81 is: 10,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.01 : 18,746.46 = 7,615.81 : x
  2. Step 2: Convert to fraction form
    13,584.01/18,746.46 = 7,615.81/x
  3. Step 3: Cross multiply
    13,584.01x = 18,746.46 × 7,615.81
  4. Step 4: Simplify right side
    13,584.01x = 142,769,477.53
  5. Step 5: Solve for x
    x = 142,769,477.53/13,584.01
  6. Step 6: Final answer
    x = 10,510.11

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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.