Home / 14,033.50-19,368.63-13,402.91

Finding the Fourth Proportional to 14,033.50, 19,368.63 and 13,402.91

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Solution

The fourth proportional to 14,033.50, 19,368.63 and 13,402.91 is: 18,498.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,033.50 : 19,368.63 = 13,402.91 : x
  2. Step 2: Convert to fraction form
    14,033.50/19,368.63 = 13,402.91/x
  3. Step 3: Cross multiply
    14,033.50x = 19,368.63 × 13,402.91
  4. Step 4: Simplify right side
    14,033.50x = 259,596,053.13
  5. Step 5: Solve for x
    x = 259,596,053.13/14,033.50
  6. Step 6: Final answer
    x = 18,498.31

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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.