Home / 14,297.31-19,730.28-8,009.67

Finding the Fourth Proportional to 14,297.31, 19,730.28 and 8,009.67

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Solution

The fourth proportional to 14,297.31, 19,730.28 and 8,009.67 is: 11,053.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.31 : 19,730.28 = 8,009.67 : x
  2. Step 2: Convert to fraction form
    14,297.31/19,730.28 = 8,009.67/x
  3. Step 3: Cross multiply
    14,297.31x = 19,730.28 × 8,009.67
  4. Step 4: Simplify right side
    14,297.31x = 158,033,031.81
  5. Step 5: Solve for x
    x = 158,033,031.81/14,297.31
  6. Step 6: Final answer
    x = 11,053.34

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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.