Home / 10,416.33-14,359.58-7,426.98

Finding the Fourth Proportional to 10,416.33, 14,359.58 and 7,426.98

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Solution

The fourth proportional to 10,416.33, 14,359.58 and 7,426.98 is: 10,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416.33 : 14,359.58 = 7,426.98 : x
  2. Step 2: Convert to fraction form
    10,416.33/14,359.58 = 7,426.98/x
  3. Step 3: Cross multiply
    10,416.33x = 14,359.58 × 7,426.98
  4. Step 4: Simplify right side
    10,416.33x = 106,648,313.47
  5. Step 5: Solve for x
    x = 106,648,313.47/10,416.33
  6. Step 6: Final answer
    x = 10,238.57

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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.