Home / 14,309.40-19,737.07-10,069.35

Finding the Fourth Proportional to 14,309.40, 19,737.07 and 10,069.35

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Solution

The fourth proportional to 14,309.40, 19,737.07 and 10,069.35 is: 13,888.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.40 : 19,737.07 = 10,069.35 : x
  2. Step 2: Convert to fraction form
    14,309.40/19,737.07 = 10,069.35/x
  3. Step 3: Cross multiply
    14,309.40x = 19,737.07 × 10,069.35
  4. Step 4: Simplify right side
    14,309.40x = 198,739,415.46
  5. Step 5: Solve for x
    x = 198,739,415.46/14,309.40
  6. Step 6: Final answer
    x = 13,888.73

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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.