Home / 10,538.65-14,550.12-6,763.45

Finding the Fourth Proportional to 10,538.65, 14,550.12 and 6,763.45

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Solution

The fourth proportional to 10,538.65, 14,550.12 and 6,763.45 is: 9,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.65 : 14,550.12 = 6,763.45 : x
  2. Step 2: Convert to fraction form
    10,538.65/14,550.12 = 6,763.45/x
  3. Step 3: Cross multiply
    10,538.65x = 14,550.12 × 6,763.45
  4. Step 4: Simplify right side
    10,538.65x = 98,408,967.23
  5. Step 5: Solve for x
    x = 98,408,967.23/10,538.65
  6. Step 6: Final answer
    x = 9,337.91

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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.