Home / 10,455.98-14,421.69-6,626.30

Finding the Fourth Proportional to 10,455.98, 14,421.69 and 6,626.30

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Solution

The fourth proportional to 10,455.98, 14,421.69 and 6,626.30 is: 9,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.98 : 14,421.69 = 6,626.30 : x
  2. Step 2: Convert to fraction form
    10,455.98/14,421.69 = 6,626.30/x
  3. Step 3: Cross multiply
    10,455.98x = 14,421.69 × 6,626.30
  4. Step 4: Simplify right side
    10,455.98x = 95,562,372.34
  5. Step 5: Solve for x
    x = 95,562,372.34/10,455.98
  6. Step 6: Final answer
    x = 9,139.50

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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.