Home / 10,320.15-14,244.08-6,783.69

Finding the Fourth Proportional to 10,320.15, 14,244.08 and 6,783.69

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Solution

The fourth proportional to 10,320.15, 14,244.08 and 6,783.69 is: 9,362.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.15 : 14,244.08 = 6,783.69 : x
  2. Step 2: Convert to fraction form
    10,320.15/14,244.08 = 6,783.69/x
  3. Step 3: Cross multiply
    10,320.15x = 14,244.08 × 6,783.69
  4. Step 4: Simplify right side
    10,320.15x = 96,627,389.14
  5. Step 5: Solve for x
    x = 96,627,389.14/10,320.15
  6. Step 6: Final answer
    x = 9,362.98

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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.