Home / 10,389.51-14,336.96-6,410.91

Finding the Fourth Proportional to 10,389.51, 14,336.96 and 6,410.91

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Solution

The fourth proportional to 10,389.51, 14,336.96 and 6,410.91 is: 8,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.51 : 14,336.96 = 6,410.91 : x
  2. Step 2: Convert to fraction form
    10,389.51/14,336.96 = 6,410.91/x
  3. Step 3: Cross multiply
    10,389.51x = 14,336.96 × 6,410.91
  4. Step 4: Simplify right side
    10,389.51x = 91,912,928.18
  5. Step 5: Solve for x
    x = 91,912,928.18/10,389.51
  6. Step 6: Final answer
    x = 8,846.70

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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.