Home / 13,323.63-18,386.25-7,355.16

Finding the Fourth Proportional to 13,323.63, 18,386.25 and 7,355.16

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Solution

The fourth proportional to 13,323.63, 18,386.25 and 7,355.16 is: 10,149.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.63 : 18,386.25 = 7,355.16 : x
  2. Step 2: Convert to fraction form
    13,323.63/18,386.25 = 7,355.16/x
  3. Step 3: Cross multiply
    13,323.63x = 18,386.25 × 7,355.16
  4. Step 4: Simplify right side
    13,323.63x = 135,233,810.55
  5. Step 5: Solve for x
    x = 135,233,810.55/13,323.63
  6. Step 6: Final answer
    x = 10,149.92

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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.