Home / 13,810.32-19,058.36-7,522.70

Finding the Fourth Proportional to 13,810.32, 19,058.36 and 7,522.70

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Solution

The fourth proportional to 13,810.32, 19,058.36 and 7,522.70 is: 10,381.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.32 : 19,058.36 = 7,522.70 : x
  2. Step 2: Convert to fraction form
    13,810.32/19,058.36 = 7,522.70/x
  3. Step 3: Cross multiply
    13,810.32x = 19,058.36 × 7,522.70
  4. Step 4: Simplify right side
    13,810.32x = 143,370,191.87
  5. Step 5: Solve for x
    x = 143,370,191.87/13,810.32
  6. Step 6: Final answer
    x = 10,381.38

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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.