Home / 19,681.52-29,539.36-10,328.16

Finding the Fourth Proportional to 19,681.52, 29,539.36 and 10,328.16

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Solution

The fourth proportional to 19,681.52, 29,539.36 and 10,328.16 is: 15,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681.52 : 29,539.36 = 10,328.16 : x
  2. Step 2: Convert to fraction form
    19,681.52/29,539.36 = 10,328.16/x
  3. Step 3: Cross multiply
    19,681.52x = 29,539.36 × 10,328.16
  4. Step 4: Simplify right side
    19,681.52x = 305,087,236.38
  5. Step 5: Solve for x
    x = 305,087,236.38/19,681.52
  6. Step 6: Final answer
    x = 15,501.20

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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.