Home / 19,805.61-29,692.02-9,270.45

Finding the Fourth Proportional to 19,805.61, 29,692.02 and 9,270.45

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Solution

The fourth proportional to 19,805.61, 29,692.02 and 9,270.45 is: 13,898.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.61 : 29,692.02 = 9,270.45 : x
  2. Step 2: Convert to fraction form
    19,805.61/29,692.02 = 9,270.45/x
  3. Step 3: Cross multiply
    19,805.61x = 29,692.02 × 9,270.45
  4. Step 4: Simplify right side
    19,805.61x = 275,258,386.81
  5. Step 5: Solve for x
    x = 275,258,386.81/19,805.61
  6. Step 6: Final answer
    x = 13,898.00

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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.