Home / 10,438.50-14,412.69-6,718.98

Finding the Fourth Proportional to 10,438.50, 14,412.69 and 6,718.98

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Solution

The fourth proportional to 10,438.50, 14,412.69 and 6,718.98 is: 9,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.50 : 14,412.69 = 6,718.98 : x
  2. Step 2: Convert to fraction form
    10,438.50/14,412.69 = 6,718.98/x
  3. Step 3: Cross multiply
    10,438.50x = 14,412.69 × 6,718.98
  4. Step 4: Simplify right side
    10,438.50x = 96,838,575.86
  5. Step 5: Solve for x
    x = 96,838,575.86/10,438.50
  6. Step 6: Final answer
    x = 9,277.06

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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.