Home / 13,270.22-18,312.93-7,302.32

Finding the Fourth Proportional to 13,270.22, 18,312.93 and 7,302.32

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Solution

The fourth proportional to 13,270.22, 18,312.93 and 7,302.32 is: 10,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.22 : 18,312.93 = 7,302.32 : x
  2. Step 2: Convert to fraction form
    13,270.22/18,312.93 = 7,302.32/x
  3. Step 3: Cross multiply
    13,270.22x = 18,312.93 × 7,302.32
  4. Step 4: Simplify right side
    13,270.22x = 133,726,783.43
  5. Step 5: Solve for x
    x = 133,726,783.43/13,270.22
  6. Step 6: Final answer
    x = 10,077.21

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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.