Home / 13,085.04-18,058.09-7,417.68

Finding the Fourth Proportional to 13,085.04, 18,058.09 and 7,417.68

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Solution

The fourth proportional to 13,085.04, 18,058.09 and 7,417.68 is: 10,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.04 : 18,058.09 = 7,417.68 : x
  2. Step 2: Convert to fraction form
    13,085.04/18,058.09 = 7,417.68/x
  3. Step 3: Cross multiply
    13,085.04x = 18,058.09 × 7,417.68
  4. Step 4: Simplify right side
    13,085.04x = 133,949,060.68
  5. Step 5: Solve for x
    x = 133,949,060.68/13,085.04
  6. Step 6: Final answer
    x = 10,236.81

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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.