Home / 14,290.79-19,710.45-12,519.32

Finding the Fourth Proportional to 14,290.79, 19,710.45 and 12,519.32

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Solution

The fourth proportional to 14,290.79, 19,710.45 and 12,519.32 is: 17,267.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.79 : 19,710.45 = 12,519.32 : x
  2. Step 2: Convert to fraction form
    14,290.79/19,710.45 = 12,519.32/x
  3. Step 3: Cross multiply
    14,290.79x = 19,710.45 × 12,519.32
  4. Step 4: Simplify right side
    14,290.79x = 246,761,430.89
  5. Step 5: Solve for x
    x = 246,761,430.89/14,290.79
  6. Step 6: Final answer
    x = 17,267.17

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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.