Home / 21,070.86-29,053.53-14,360.55

Finding the Fourth Proportional to 21,070.86, 29,053.53 and 14,360.55

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Solution

The fourth proportional to 21,070.86, 29,053.53 and 14,360.55 is: 19,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,070.86 : 29,053.53 = 14,360.55 : x
  2. Step 2: Convert to fraction form
    21,070.86/29,053.53 = 14,360.55/x
  3. Step 3: Cross multiply
    21,070.86x = 29,053.53 × 14,360.55
  4. Step 4: Simplify right side
    21,070.86x = 417,224,670.24
  5. Step 5: Solve for x
    x = 417,224,670.24/21,070.86
  6. Step 6: Final answer
    x = 19,801.03

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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.