Home / 14,312.63-19,749.61-8,342.81

Finding the Fourth Proportional to 14,312.63, 19,749.61 and 8,342.81

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Solution

The fourth proportional to 14,312.63, 19,749.61 and 8,342.81 is: 11,512.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,312.63 : 19,749.61 = 8,342.81 : x
  2. Step 2: Convert to fraction form
    14,312.63/19,749.61 = 8,342.81/x
  3. Step 3: Cross multiply
    14,312.63x = 19,749.61 × 8,342.81
  4. Step 4: Simplify right side
    14,312.63x = 164,767,103.34
  5. Step 5: Solve for x
    x = 164,767,103.34/14,312.63
  6. Step 6: Final answer
    x = 11,512.01

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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.