Home / 19,782.93-27,300.53-10,830.58

Finding the Fourth Proportional to 19,782.93, 27,300.53 and 10,830.58

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Solution

The fourth proportional to 19,782.93, 27,300.53 and 10,830.58 is: 14,946.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.93 : 27,300.53 = 10,830.58 : x
  2. Step 2: Convert to fraction form
    19,782.93/27,300.53 = 10,830.58/x
  3. Step 3: Cross multiply
    19,782.93x = 27,300.53 × 10,830.58
  4. Step 4: Simplify right side
    19,782.93x = 295,680,472.11
  5. Step 5: Solve for x
    x = 295,680,472.11/19,782.93
  6. Step 6: Final answer
    x = 14,946.24

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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.