Home / 13,465.06-18,581.77-7,498.14

Finding the Fourth Proportional to 13,465.06, 18,581.77 and 7,498.14

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Solution

The fourth proportional to 13,465.06, 18,581.77 and 7,498.14 is: 10,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.06 : 18,581.77 = 7,498.14 : x
  2. Step 2: Convert to fraction form
    13,465.06/18,581.77 = 7,498.14/x
  3. Step 3: Cross multiply
    13,465.06x = 18,581.77 × 7,498.14
  4. Step 4: Simplify right side
    13,465.06x = 139,328,712.91
  5. Step 5: Solve for x
    x = 139,328,712.91/13,465.06
  6. Step 6: Final answer
    x = 10,347.43

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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.