Home / 14,307.60-19,743.60-8,019.36

Finding the Fourth Proportional to 14,307.60, 19,743.60 and 8,019.36

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Solution

The fourth proportional to 14,307.60, 19,743.60 and 8,019.36 is: 11,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.60 : 19,743.60 = 8,019.36 : x
  2. Step 2: Convert to fraction form
    14,307.60/19,743.60 = 8,019.36/x
  3. Step 3: Cross multiply
    14,307.60x = 19,743.60 × 8,019.36
  4. Step 4: Simplify right side
    14,307.60x = 158,331,036.10
  5. Step 5: Solve for x
    x = 158,331,036.10/14,307.60
  6. Step 6: Final answer
    x = 11,066.22

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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.