Home / 14,271.34-19,695.36-7,983.76

Finding the Fourth Proportional to 14,271.34, 19,695.36 and 7,983.76

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Solution

The fourth proportional to 14,271.34, 19,695.36 and 7,983.76 is: 11,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.34 : 19,695.36 = 7,983.76 : x
  2. Step 2: Convert to fraction form
    14,271.34/19,695.36 = 7,983.76/x
  3. Step 3: Cross multiply
    14,271.34x = 19,695.36 × 7,983.76
  4. Step 4: Simplify right side
    14,271.34x = 157,243,027.35
  5. Step 5: Solve for x
    x = 157,243,027.35/14,271.34
  6. Step 6: Final answer
    x = 11,018.10

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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.