Home / 10,345.19-14,259.77-6,986.93

Finding the Fourth Proportional to 10,345.19, 14,259.77 and 6,986.93

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Solution

The fourth proportional to 10,345.19, 14,259.77 and 6,986.93 is: 9,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.19 : 14,259.77 = 6,986.93 : x
  2. Step 2: Convert to fraction form
    10,345.19/14,259.77 = 6,986.93/x
  3. Step 3: Cross multiply
    10,345.19x = 14,259.77 × 6,986.93
  4. Step 4: Simplify right side
    10,345.19x = 99,632,015.52
  5. Step 5: Solve for x
    x = 99,632,015.52/10,345.19
  6. Step 6: Final answer
    x = 9,630.76

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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.