Home / 21,484.08-29,660.37-14,312.07

Finding the Fourth Proportional to 21,484.08, 29,660.37 and 14,312.07

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Solution

The fourth proportional to 21,484.08, 29,660.37 and 14,312.07 is: 19,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.08 : 29,660.37 = 14,312.07 : x
  2. Step 2: Convert to fraction form
    21,484.08/29,660.37 = 14,312.07/x
  3. Step 3: Cross multiply
    21,484.08x = 29,660.37 × 14,312.07
  4. Step 4: Simplify right side
    21,484.08x = 424,501,291.67
  5. Step 5: Solve for x
    x = 424,501,291.67/21,484.08
  6. Step 6: Final answer
    x = 19,758.88

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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.