Home / 10,509.21-14,500.98-6,535.80

Finding the Fourth Proportional to 10,509.21, 14,500.98 and 6,535.80

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Solution

The fourth proportional to 10,509.21, 14,500.98 and 6,535.80 is: 9,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.21 : 14,500.98 = 6,535.80 : x
  2. Step 2: Convert to fraction form
    10,509.21/14,500.98 = 6,535.80/x
  3. Step 3: Cross multiply
    10,509.21x = 14,500.98 × 6,535.80
  4. Step 4: Simplify right side
    10,509.21x = 94,775,505.08
  5. Step 5: Solve for x
    x = 94,775,505.08/10,509.21
  6. Step 6: Final answer
    x = 9,018.33

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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.