Home / 10,559.81-14,566.80-6,783.57

Finding the Fourth Proportional to 10,559.81, 14,566.80 and 6,783.57

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Solution

The fourth proportional to 10,559.81, 14,566.80 and 6,783.57 is: 9,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.81 : 14,566.80 = 6,783.57 : x
  2. Step 2: Convert to fraction form
    10,559.81/14,566.80 = 6,783.57/x
  3. Step 3: Cross multiply
    10,559.81x = 14,566.80 × 6,783.57
  4. Step 4: Simplify right side
    10,559.81x = 98,814,923.32
  5. Step 5: Solve for x
    x = 98,814,923.32/10,559.81
  6. Step 6: Final answer
    x = 9,357.64

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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.