Home / 13,313.61-18,359.65-10,328.35

Finding the Fourth Proportional to 13,313.61, 18,359.65 and 10,328.35

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Solution

The fourth proportional to 13,313.61, 18,359.65 and 10,328.35 is: 14,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.61 : 18,359.65 = 10,328.35 : x
  2. Step 2: Convert to fraction form
    13,313.61/18,359.65 = 10,328.35/x
  3. Step 3: Cross multiply
    13,313.61x = 18,359.65 × 10,328.35
  4. Step 4: Simplify right side
    13,313.61x = 189,624,891.08
  5. Step 5: Solve for x
    x = 189,624,891.08/13,313.61
  6. Step 6: Final answer
    x = 14,242.94

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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.