Home / 13,457.04-18,573.10-7,790.84

Finding the Fourth Proportional to 13,457.04, 18,573.10 and 7,790.84

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Solution

The fourth proportional to 13,457.04, 18,573.10 and 7,790.84 is: 10,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.04 : 18,573.10 = 7,790.84 : x
  2. Step 2: Convert to fraction form
    13,457.04/18,573.10 = 7,790.84/x
  3. Step 3: Cross multiply
    13,457.04x = 18,573.10 × 7,790.84
  4. Step 4: Simplify right side
    13,457.04x = 144,700,050.40
  5. Step 5: Solve for x
    x = 144,700,050.40/13,457.04
  6. Step 6: Final answer
    x = 10,752.74

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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.