Home / 10,530.86-14,527.34-6,278.93

Finding the Fourth Proportional to 10,530.86, 14,527.34 and 6,278.93

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Solution

The fourth proportional to 10,530.86, 14,527.34 and 6,278.93 is: 8,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.86 : 14,527.34 = 6,278.93 : x
  2. Step 2: Convert to fraction form
    10,530.86/14,527.34 = 6,278.93/x
  3. Step 3: Cross multiply
    10,530.86x = 14,527.34 × 6,278.93
  4. Step 4: Simplify right side
    10,530.86x = 91,216,150.95
  5. Step 5: Solve for x
    x = 91,216,150.95/10,530.86
  6. Step 6: Final answer
    x = 8,661.80

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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.