Home / 14,031.90-19,358.94-10,802.70

Finding the Fourth Proportional to 14,031.90, 19,358.94 and 10,802.70

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Solution

The fourth proportional to 14,031.90, 19,358.94 and 10,802.70 is: 14,903.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.90 : 19,358.94 = 10,802.70 : x
  2. Step 2: Convert to fraction form
    14,031.90/19,358.94 = 10,802.70/x
  3. Step 3: Cross multiply
    14,031.90x = 19,358.94 × 10,802.70
  4. Step 4: Simplify right side
    14,031.90x = 209,128,867.36
  5. Step 5: Solve for x
    x = 209,128,867.36/14,031.90
  6. Step 6: Final answer
    x = 14,903.81

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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.