Home / 9,798.48-13,518.18-6,261.12

Finding the Fourth Proportional to 9,798.48, 13,518.18 and 6,261.12

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Solution

The fourth proportional to 9,798.48, 13,518.18 and 6,261.12 is: 8,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.48 : 13,518.18 = 6,261.12 : x
  2. Step 2: Convert to fraction form
    9,798.48/13,518.18 = 6,261.12/x
  3. Step 3: Cross multiply
    9,798.48x = 13,518.18 × 6,261.12
  4. Step 4: Simplify right side
    9,798.48x = 84,638,947.16
  5. Step 5: Solve for x
    x = 84,638,947.16/9,798.48
  6. Step 6: Final answer
    x = 8,637.97

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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.