Home / 10,810.64-14,914.40-6,560.15

Finding the Fourth Proportional to 10,810.64, 14,914.40 and 6,560.15

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Solution

The fourth proportional to 10,810.64, 14,914.40 and 6,560.15 is: 9,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.64 : 14,914.40 = 6,560.15 : x
  2. Step 2: Convert to fraction form
    10,810.64/14,914.40 = 6,560.15/x
  3. Step 3: Cross multiply
    10,810.64x = 14,914.40 × 6,560.15
  4. Step 4: Simplify right side
    10,810.64x = 97,840,593.79
  5. Step 5: Solve for x
    x = 97,840,593.79/10,810.64
  6. Step 6: Final answer
    x = 9,050.40

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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.