Home / 19,710.47-27,206.48-12,159.16

Finding the Fourth Proportional to 19,710.47, 27,206.48 and 12,159.16

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Solution

The fourth proportional to 19,710.47, 27,206.48 and 12,159.16 is: 16,783.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.47 : 27,206.48 = 12,159.16 : x
  2. Step 2: Convert to fraction form
    19,710.47/27,206.48 = 12,159.16/x
  3. Step 3: Cross multiply
    19,710.47x = 27,206.48 × 12,159.16
  4. Step 4: Simplify right side
    19,710.47x = 330,807,837.72
  5. Step 5: Solve for x
    x = 330,807,837.72/19,710.47
  6. Step 6: Final answer
    x = 16,783.36

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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.