Home / 13,058.55-18,020.97-7,090.32

Finding the Fourth Proportional to 13,058.55, 18,020.97 and 7,090.32

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Solution

The fourth proportional to 13,058.55, 18,020.97 and 7,090.32 is: 9,784.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.55 : 18,020.97 = 7,090.32 : x
  2. Step 2: Convert to fraction form
    13,058.55/18,020.97 = 7,090.32/x
  3. Step 3: Cross multiply
    13,058.55x = 18,020.97 × 7,090.32
  4. Step 4: Simplify right side
    13,058.55x = 127,774,444.01
  5. Step 5: Solve for x
    x = 127,774,444.01/13,058.55
  6. Step 6: Final answer
    x = 9,784.73

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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.