Home / 14,423.40-19,931.40-10,880.64

Finding the Fourth Proportional to 14,423.40, 19,931.40 and 10,880.64

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Solution

The fourth proportional to 14,423.40, 19,931.40 and 10,880.64 is: 15,035.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.40 : 19,931.40 = 10,880.64 : x
  2. Step 2: Convert to fraction form
    14,423.40/19,931.40 = 10,880.64/x
  3. Step 3: Cross multiply
    14,423.40x = 19,931.40 × 10,880.64
  4. Step 4: Simplify right side
    14,423.40x = 216,866,388.10
  5. Step 5: Solve for x
    x = 216,866,388.10/14,423.40
  6. Step 6: Final answer
    x = 15,035.73

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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.