Home / 10,638.14-14,674.18-6,655.98

Finding the Fourth Proportional to 10,638.14, 14,674.18 and 6,655.98

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Solution

The fourth proportional to 10,638.14, 14,674.18 and 6,655.98 is: 9,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.14 : 14,674.18 = 6,655.98 : x
  2. Step 2: Convert to fraction form
    10,638.14/14,674.18 = 6,655.98/x
  3. Step 3: Cross multiply
    10,638.14x = 14,674.18 × 6,655.98
  4. Step 4: Simplify right side
    10,638.14x = 97,671,048.60
  5. Step 5: Solve for x
    x = 97,671,048.60/10,638.14
  6. Step 6: Final answer
    x = 9,181.21

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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.