Home / 10,570.23-14,563.43-6,978.79

Finding the Fourth Proportional to 10,570.23, 14,563.43 and 6,978.79

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Solution

The fourth proportional to 10,570.23, 14,563.43 and 6,978.79 is: 9,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,570.23 : 14,563.43 = 6,978.79 : x
  2. Step 2: Convert to fraction form
    10,570.23/14,563.43 = 6,978.79/x
  3. Step 3: Cross multiply
    10,570.23x = 14,563.43 × 6,978.79
  4. Step 4: Simplify right side
    10,570.23x = 101,635,048.35
  5. Step 5: Solve for x
    x = 101,635,048.35/10,570.23
  6. Step 6: Final answer
    x = 9,615.22

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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.