Home / 8,970.04-13,470.18-7,410.52

Finding the Fourth Proportional to 8,970.04, 13,470.18 and 7,410.52

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Solution

The fourth proportional to 8,970.04, 13,470.18 and 7,410.52 is: 11,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.04 : 13,470.18 = 7,410.52 : x
  2. Step 2: Convert to fraction form
    8,970.04/13,470.18 = 7,410.52/x
  3. Step 3: Cross multiply
    8,970.04x = 13,470.18 × 7,410.52
  4. Step 4: Simplify right side
    8,970.04x = 99,821,038.29
  5. Step 5: Solve for x
    x = 99,821,038.29/8,970.04
  6. Step 6: Final answer
    x = 11,128.27

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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.