Home / 19,573.47-27,011.45-10,621.06

Finding the Fourth Proportional to 19,573.47, 27,011.45 and 10,621.06

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Solution

The fourth proportional to 19,573.47, 27,011.45 and 10,621.06 is: 14,657.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.47 : 27,011.45 = 10,621.06 : x
  2. Step 2: Convert to fraction form
    19,573.47/27,011.45 = 10,621.06/x
  3. Step 3: Cross multiply
    19,573.47x = 27,011.45 × 10,621.06
  4. Step 4: Simplify right side
    19,573.47x = 286,890,190.16
  5. Step 5: Solve for x
    x = 286,890,190.16/19,573.47
  6. Step 6: Final answer
    x = 14,657.09

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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.