Home / 10,561.27-14,570.40-6,783.91

Finding the Fourth Proportional to 10,561.27, 14,570.40 and 6,783.91

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Solution

The fourth proportional to 10,561.27, 14,570.40 and 6,783.91 is: 9,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.27 : 14,570.40 = 6,783.91 : x
  2. Step 2: Convert to fraction form
    10,561.27/14,570.40 = 6,783.91/x
  3. Step 3: Cross multiply
    10,561.27x = 14,570.40 × 6,783.91
  4. Step 4: Simplify right side
    10,561.27x = 98,844,282.26
  5. Step 5: Solve for x
    x = 98,844,282.26/10,561.27
  6. Step 6: Final answer
    x = 9,359.13

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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.