Home / 10,290.04-14,200.23-5,574.40

Finding the Fourth Proportional to 10,290.04, 14,200.23 and 5,574.40

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Solution

The fourth proportional to 10,290.04, 14,200.23 and 5,574.40 is: 7,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.04 : 14,200.23 = 5,574.40 : x
  2. Step 2: Convert to fraction form
    10,290.04/14,200.23 = 5,574.40/x
  3. Step 3: Cross multiply
    10,290.04x = 14,200.23 × 5,574.40
  4. Step 4: Simplify right side
    10,290.04x = 79,157,762.11
  5. Step 5: Solve for x
    x = 79,157,762.11/10,290.04
  6. Step 6: Final answer
    x = 7,692.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.