Home / 21,569.78-32,307.90-10,453.16

Finding the Fourth Proportional to 21,569.78, 32,307.90 and 10,453.16

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Solution

The fourth proportional to 21,569.78, 32,307.90 and 10,453.16 is: 15,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569.78 : 32,307.90 = 10,453.16 : x
  2. Step 2: Convert to fraction form
    21,569.78/32,307.90 = 10,453.16/x
  3. Step 3: Cross multiply
    21,569.78x = 32,307.90 × 10,453.16
  4. Step 4: Simplify right side
    21,569.78x = 337,719,647.96
  5. Step 5: Solve for x
    x = 337,719,647.96/21,569.78
  6. Step 6: Final answer
    x = 15,657.07

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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.