Home / 15,535.02-21,431.00-10,501.00

Finding the Fourth Proportional to 15,535.02, 21,431.00 and 10,501.00

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Solution

The fourth proportional to 15,535.02, 21,431.00 and 10,501.00 is: 14,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.02 : 21,431.00 = 10,501.00 : x
  2. Step 2: Convert to fraction form
    15,535.02/21,431.00 = 10,501.00/x
  3. Step 3: Cross multiply
    15,535.02x = 21,431.00 × 10,501.00
  4. Step 4: Simplify right side
    15,535.02x = 225,046,771.34
  5. Step 5: Solve for x
    x = 225,046,771.34/15,535.02
  6. Step 6: Final answer
    x = 14,486.42

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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.