Home / 13,058.42-19,598.81-12,960.13

Finding the Fourth Proportional to 13,058.42, 19,598.81 and 12,960.13

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Solution

The fourth proportional to 13,058.42, 19,598.81 and 12,960.13 is: 19,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.42 : 19,598.81 = 12,960.13 : x
  2. Step 2: Convert to fraction form
    13,058.42/19,598.81 = 12,960.13/x
  3. Step 3: Cross multiply
    13,058.42x = 19,598.81 × 12,960.13
  4. Step 4: Simplify right side
    13,058.42x = 254,003,166.14
  5. Step 5: Solve for x
    x = 254,003,166.14/13,058.42
  6. Step 6: Final answer
    x = 19,451.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.