Home / 14,055.90-19,401.57-8,394.84

Finding the Fourth Proportional to 14,055.90, 19,401.57 and 8,394.84

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Solution

The fourth proportional to 14,055.90, 19,401.57 and 8,394.84 is: 11,587.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.90 : 19,401.57 = 8,394.84 : x
  2. Step 2: Convert to fraction form
    14,055.90/19,401.57 = 8,394.84/x
  3. Step 3: Cross multiply
    14,055.90x = 19,401.57 × 8,394.84
  4. Step 4: Simplify right side
    14,055.90x = 162,873,075.90
  5. Step 5: Solve for x
    x = 162,873,075.90/14,055.90
  6. Step 6: Final answer
    x = 11,587.52

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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.