Home / 13,270.23-18,312.93-7,302.33

Finding the Fourth Proportional to 13,270.23, 18,312.93 and 7,302.33

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Solution

The fourth proportional to 13,270.23, 18,312.93 and 7,302.33 is: 10,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.23 : 18,312.93 = 7,302.33 : x
  2. Step 2: Convert to fraction form
    13,270.23/18,312.93 = 7,302.33/x
  3. Step 3: Cross multiply
    13,270.23x = 18,312.93 × 7,302.33
  4. Step 4: Simplify right side
    13,270.23x = 133,727,058.13
  5. Step 5: Solve for x
    x = 133,727,058.13/13,270.23
  6. Step 6: Final answer
    x = 10,077.22

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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.