Home / 19,264.80-28,897.20-10,970.40

Finding the Fourth Proportional to 19,264.80, 28,897.20 and 10,970.40

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Solution

The fourth proportional to 19,264.80, 28,897.20 and 10,970.40 is: 16,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,264.80 : 28,897.20 = 10,970.40 : x
  2. Step 2: Convert to fraction form
    19,264.80/28,897.20 = 10,970.40/x
  3. Step 3: Cross multiply
    19,264.80x = 28,897.20 × 10,970.40
  4. Step 4: Simplify right side
    19,264.80x = 317,013,842.88
  5. Step 5: Solve for x
    x = 317,013,842.88/19,264.80
  6. Step 6: Final answer
    x = 16,455.60

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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.