Home / 15,736.51-21,719.02-10,070.98

Finding the Fourth Proportional to 15,736.51, 21,719.02 and 10,070.98

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Solution

The fourth proportional to 15,736.51, 21,719.02 and 10,070.98 is: 13,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,736.51 : 21,719.02 = 10,070.98 : x
  2. Step 2: Convert to fraction form
    15,736.51/21,719.02 = 10,070.98/x
  3. Step 3: Cross multiply
    15,736.51x = 21,719.02 × 10,070.98
  4. Step 4: Simplify right side
    15,736.51x = 218,731,856.37
  5. Step 5: Solve for x
    x = 218,731,856.37/15,736.51
  6. Step 6: Final answer
    x = 13,899.64

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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.