Home / 21,668.88-32,477.40-7,810.32

Finding the Fourth Proportional to 21,668.88, 32,477.40 and 7,810.32

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Solution

The fourth proportional to 21,668.88, 32,477.40 and 7,810.32 is: 11,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,668.88 : 32,477.40 = 7,810.32 : x
  2. Step 2: Convert to fraction form
    21,668.88/32,477.40 = 7,810.32/x
  3. Step 3: Cross multiply
    21,668.88x = 32,477.40 × 7,810.32
  4. Step 4: Simplify right side
    21,668.88x = 253,658,886.77
  5. Step 5: Solve for x
    x = 253,658,886.77/21,668.88
  6. Step 6: Final answer
    x = 11,706.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.