Home / 14,357.04-19,811.70-8,070.36

Finding the Fourth Proportional to 14,357.04, 19,811.70 and 8,070.36

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Solution

The fourth proportional to 14,357.04, 19,811.70 and 8,070.36 is: 11,136.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.04 : 19,811.70 = 8,070.36 : x
  2. Step 2: Convert to fraction form
    14,357.04/19,811.70 = 8,070.36/x
  3. Step 3: Cross multiply
    14,357.04x = 19,811.70 × 8,070.36
  4. Step 4: Simplify right side
    14,357.04x = 159,887,551.21
  5. Step 5: Solve for x
    x = 159,887,551.21/14,357.04
  6. Step 6: Final answer
    x = 11,136.53

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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.