Home / 14,302.47-19,693.35-12,706.32

Finding the Fourth Proportional to 14,302.47, 19,693.35 and 12,706.32

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Solution

The fourth proportional to 14,302.47, 19,693.35 and 12,706.32 is: 17,495.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.47 : 19,693.35 = 12,706.32 : x
  2. Step 2: Convert to fraction form
    14,302.47/19,693.35 = 12,706.32/x
  3. Step 3: Cross multiply
    14,302.47x = 19,693.35 × 12,706.32
  4. Step 4: Simplify right side
    14,302.47x = 250,230,006.97
  5. Step 5: Solve for x
    x = 250,230,006.97/14,302.47
  6. Step 6: Final answer
    x = 17,495.58

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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.