Home / 10,412.79-14,365.55-6,426.98

Finding the Fourth Proportional to 10,412.79, 14,365.55 and 6,426.98

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Solution

The fourth proportional to 10,412.79, 14,365.55 and 6,426.98 is: 8,866.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.79 : 14,365.55 = 6,426.98 : x
  2. Step 2: Convert to fraction form
    10,412.79/14,365.55 = 6,426.98/x
  3. Step 3: Cross multiply
    10,412.79x = 14,365.55 × 6,426.98
  4. Step 4: Simplify right side
    10,412.79x = 92,326,998.58
  5. Step 5: Solve for x
    x = 92,326,998.58/10,412.79
  6. Step 6: Final answer
    x = 8,866.69

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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.