Home / 13,948.04-19,240.26-8,355.80

Finding the Fourth Proportional to 13,948.04, 19,240.26 and 8,355.80

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Solution

The fourth proportional to 13,948.04, 19,240.26 and 8,355.80 is: 11,526.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.04 : 19,240.26 = 8,355.80 : x
  2. Step 2: Convert to fraction form
    13,948.04/19,240.26 = 8,355.80/x
  3. Step 3: Cross multiply
    13,948.04x = 19,240.26 × 8,355.80
  4. Step 4: Simplify right side
    13,948.04x = 160,767,764.51
  5. Step 5: Solve for x
    x = 160,767,764.51/13,948.04
  6. Step 6: Final answer
    x = 11,526.19

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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.